Home / 61,400.90-92,150.55-31,827.20

Finding the Fourth Proportional to 61,400.90, 92,150.55 and 31,827.20

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Solution

The fourth proportional to 61,400.90, 92,150.55 and 31,827.20 is: 47,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.90 : 92,150.55 = 31,827.20 : x
  2. Step 2: Convert to fraction form
    61,400.90/92,150.55 = 31,827.20/x
  3. Step 3: Cross multiply
    61,400.90x = 92,150.55 × 31,827.20
  4. Step 4: Simplify right side
    61,400.90x = 2,932,893,524.21
  5. Step 5: Solve for x
    x = 2,932,893,524.21/61,400.90
  6. Step 6: Final answer
    x = 47,766.30

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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.