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Finding the Fourth Proportional to 35,232.60, 48,621.12 and 19,317.30

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Solution

The fourth proportional to 35,232.60, 48,621.12 and 19,317.30 is: 26,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,232.60 : 48,621.12 = 19,317.30 : x
  2. Step 2: Convert to fraction form
    35,232.60/48,621.12 = 19,317.30/x
  3. Step 3: Cross multiply
    35,232.60x = 48,621.12 × 19,317.30
  4. Step 4: Simplify right side
    35,232.60x = 939,228,761.38
  5. Step 5: Solve for x
    x = 939,228,761.38/35,232.60
  6. Step 6: Final answer
    x = 26,657.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.