Home / 61,605.20-92,419.18-19,495.88

Finding the Fourth Proportional to 61,605.20, 92,419.18 and 19,495.88

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Solution

The fourth proportional to 61,605.20, 92,419.18 and 19,495.88 is: 29,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,605.20 : 92,419.18 = 19,495.88 : x
  2. Step 2: Convert to fraction form
    61,605.20/92,419.18 = 19,495.88/x
  3. Step 3: Cross multiply
    61,605.20x = 92,419.18 × 19,495.88
  4. Step 4: Simplify right side
    61,605.20x = 1,801,792,780.88
  5. Step 5: Solve for x
    x = 1,801,792,780.88/61,605.20
  6. Step 6: Final answer
    x = 29,247.42

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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.