Home / 38,119.60-52,605.60-21,352.72

Finding the Fourth Proportional to 38,119.60, 52,605.60 and 21,352.72

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Solution

The fourth proportional to 38,119.60, 52,605.60 and 21,352.72 is: 29,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.60 : 52,605.60 = 21,352.72 : x
  2. Step 2: Convert to fraction form
    38,119.60/52,605.60 = 21,352.72/x
  3. Step 3: Cross multiply
    38,119.60x = 52,605.60 × 21,352.72
  4. Step 4: Simplify right side
    38,119.60x = 1,123,272,647.23
  5. Step 5: Solve for x
    x = 1,123,272,647.23/38,119.60
  6. Step 6: Final answer
    x = 29,467.06

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Half scale
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Double scale
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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.