Home / 61,577.42-84,920.10-38,876.97

Finding the Fourth Proportional to 61,577.42, 84,920.10 and 38,876.97

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Solution

The fourth proportional to 61,577.42, 84,920.10 and 38,876.97 is: 53,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,577.42 : 84,920.10 = 38,876.97 : x
  2. Step 2: Convert to fraction form
    61,577.42/84,920.10 = 38,876.97/x
  3. Step 3: Cross multiply
    61,577.42x = 84,920.10 × 38,876.97
  4. Step 4: Simplify right side
    61,577.42x = 3,301,436,180.10
  5. Step 5: Solve for x
    x = 3,301,436,180.10/61,577.42
  6. Step 6: Final answer
    x = 53,614.40

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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.