Home / 56,098.13-84,126.18-18,651.29

Finding the Fourth Proportional to 56,098.13, 84,126.18 and 18,651.29

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Solution

The fourth proportional to 56,098.13, 84,126.18 and 18,651.29 is: 27,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,098.13 : 84,126.18 = 18,651.29 : x
  2. Step 2: Convert to fraction form
    56,098.13/84,126.18 = 18,651.29/x
  3. Step 3: Cross multiply
    56,098.13x = 84,126.18 × 18,651.29
  4. Step 4: Simplify right side
    56,098.13x = 1,569,061,779.77
  5. Step 5: Solve for x
    x = 1,569,061,779.77/56,098.13
  6. Step 6: Final answer
    x = 27,969.95

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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.