Home / 61,430.27-92,149.60-20,887.27

Finding the Fourth Proportional to 61,430.27, 92,149.60 and 20,887.27

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Solution

The fourth proportional to 61,430.27, 92,149.60 and 20,887.27 is: 31,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,430.27 : 92,149.60 = 20,887.27 : x
  2. Step 2: Convert to fraction form
    61,430.27/92,149.60 = 20,887.27/x
  3. Step 3: Cross multiply
    61,430.27x = 92,149.60 × 20,887.27
  4. Step 4: Simplify right side
    61,430.27x = 1,924,753,575.59
  5. Step 5: Solve for x
    x = 1,924,753,575.59/61,430.27
  6. Step 6: Final answer
    x = 31,332.33

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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.