Home / 38,344.38-57,550.88-19,637.20

Finding the Fourth Proportional to 38,344.38, 57,550.88 and 19,637.20

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Solution

The fourth proportional to 38,344.38, 57,550.88 and 19,637.20 is: 29,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.38 : 57,550.88 = 19,637.20 : x
  2. Step 2: Convert to fraction form
    38,344.38/57,550.88 = 19,637.20/x
  3. Step 3: Cross multiply
    38,344.38x = 57,550.88 × 19,637.20
  4. Step 4: Simplify right side
    38,344.38x = 1,130,138,140.74
  5. Step 5: Solve for x
    x = 1,130,138,140.74/38,344.38
  6. Step 6: Final answer
    x = 29,473.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.