Home / 61,394.83-92,141.45-31,821.12

Finding the Fourth Proportional to 61,394.83, 92,141.45 and 31,821.12

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Solution

The fourth proportional to 61,394.83, 92,141.45 and 31,821.12 is: 47,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,394.83 : 92,141.45 = 31,821.12 : x
  2. Step 2: Convert to fraction form
    61,394.83/92,141.45 = 31,821.12/x
  3. Step 3: Cross multiply
    61,394.83x = 92,141.45 × 31,821.12
  4. Step 4: Simplify right side
    61,394.83x = 2,932,044,097.65
  5. Step 5: Solve for x
    x = 2,932,044,097.65/61,394.83
  6. Step 6: Final answer
    x = 47,757.18

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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.