Home / 61,114.57-91,667.88-21,132.43

Finding the Fourth Proportional to 61,114.57, 91,667.88 and 21,132.43

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Solution

The fourth proportional to 61,114.57, 91,667.88 and 21,132.43 is: 31,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,114.57 : 91,667.88 = 21,132.43 : x
  2. Step 2: Convert to fraction form
    61,114.57/91,667.88 = 21,132.43/x
  3. Step 3: Cross multiply
    61,114.57x = 91,667.88 × 21,132.43
  4. Step 4: Simplify right side
    61,114.57x = 1,937,165,057.35
  5. Step 5: Solve for x
    x = 1,937,165,057.35/61,114.57
  6. Step 6: Final answer
    x = 31,697.27

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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.