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Finding the Fourth Proportional to 35,343.60, 48,773.50 and 19,427.70

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Solution

The fourth proportional to 35,343.60, 48,773.50 and 19,427.70 is: 26,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.60 : 48,773.50 = 19,427.70 : x
  2. Step 2: Convert to fraction form
    35,343.60/48,773.50 = 19,427.70/x
  3. Step 3: Cross multiply
    35,343.60x = 48,773.50 × 19,427.70
  4. Step 4: Simplify right side
    35,343.60x = 947,556,925.95
  5. Step 5: Solve for x
    x = 947,556,925.95/35,343.60
  6. Step 6: Final answer
    x = 26,809.86

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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.