Home / 40,814.16-61,216.92-13,110

Finding the Fourth Proportional to 40,814.16, 61,216.92 and 13,110

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Solution

The fourth proportional to 40,814.16, 61,216.92 and 13,110 is: 19,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.16 : 61,216.92 = 13,110 : x
  2. Step 2: Convert to fraction form
    40,814.16/61,216.92 = 13,110/x
  3. Step 3: Cross multiply
    40,814.16x = 61,216.92 × 13,110
  4. Step 4: Simplify right side
    40,814.16x = 802,553,821.20
  5. Step 5: Solve for x
    x = 802,553,821.20/40,814.16
  6. Step 6: Final answer
    x = 19,663.61

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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.