Home / 39,397.58-54,370.07-22,402.56

Finding the Fourth Proportional to 39,397.58, 54,370.07 and 22,402.56

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Solution

The fourth proportional to 39,397.58, 54,370.07 and 22,402.56 is: 30,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.58 : 54,370.07 = 22,402.56 : x
  2. Step 2: Convert to fraction form
    39,397.58/54,370.07 = 22,402.56/x
  3. Step 3: Cross multiply
    39,397.58x = 54,370.07 × 22,402.56
  4. Step 4: Simplify right side
    39,397.58x = 1,218,028,755.38
  5. Step 5: Solve for x
    x = 1,218,028,755.38/39,397.58
  6. Step 6: Final answer
    x = 30,916.33

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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.