Home / 39,729.91-54,811.59-25,590.97

Finding the Fourth Proportional to 39,729.91, 54,811.59 and 25,590.97

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Solution

The fourth proportional to 39,729.91, 54,811.59 and 25,590.97 is: 35,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.91 : 54,811.59 = 25,590.97 : x
  2. Step 2: Convert to fraction form
    39,729.91/54,811.59 = 25,590.97/x
  3. Step 3: Cross multiply
    39,729.91x = 54,811.59 × 25,590.97
  4. Step 4: Simplify right side
    39,729.91x = 1,402,681,755.34
  5. Step 5: Solve for x
    x = 1,402,681,755.34/39,729.91
  6. Step 6: Final answer
    x = 35,305.44

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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.