Home / 29,468.14-40,702.57-21,388.89

Finding the Fourth Proportional to 29,468.14, 40,702.57 and 21,388.89

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Solution

The fourth proportional to 29,468.14, 40,702.57 and 21,388.89 is: 29,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,468.14 : 40,702.57 = 21,388.89 : x
  2. Step 2: Convert to fraction form
    29,468.14/40,702.57 = 21,388.89/x
  3. Step 3: Cross multiply
    29,468.14x = 40,702.57 × 21,388.89
  4. Step 4: Simplify right side
    29,468.14x = 870,582,891.61
  5. Step 5: Solve for x
    x = 870,582,891.61/29,468.14
  6. Step 6: Final answer
    x = 29,543.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.