Home / 39,697.90-54,805.35-29,681.26

Finding the Fourth Proportional to 39,697.90, 54,805.35 and 29,681.26

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Solution

The fourth proportional to 39,697.90, 54,805.35 and 29,681.26 is: 40,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,697.90 : 54,805.35 = 29,681.26 : x
  2. Step 2: Convert to fraction form
    39,697.90/54,805.35 = 29,681.26/x
  3. Step 3: Cross multiply
    39,697.90x = 54,805.35 × 29,681.26
  4. Step 4: Simplify right side
    39,697.90x = 1,626,691,842.74
  5. Step 5: Solve for x
    x = 1,626,691,842.74/39,697.90
  6. Step 6: Final answer
    x = 40,976.77

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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.