Home / 61,126.40-91,709.57-29,540.09

Finding the Fourth Proportional to 61,126.40, 91,709.57 and 29,540.09

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Solution

The fourth proportional to 61,126.40, 91,709.57 and 29,540.09 is: 44,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,126.40 : 91,709.57 = 29,540.09 : x
  2. Step 2: Convert to fraction form
    61,126.40/91,709.57 = 29,540.09/x
  3. Step 3: Cross multiply
    61,126.40x = 91,709.57 × 29,540.09
  4. Step 4: Simplify right side
    61,126.40x = 2,709,109,088.62
  5. Step 5: Solve for x
    x = 2,709,109,088.62/61,126.40
  6. Step 6: Final answer
    x = 44,319.79

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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.