Home / 29,144.87-43,706.36-9,418.13

Finding the Fourth Proportional to 29,144.87, 43,706.36 and 9,418.13

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Solution

The fourth proportional to 29,144.87, 43,706.36 and 9,418.13 is: 14,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,144.87 : 43,706.36 = 9,418.13 : x
  2. Step 2: Convert to fraction form
    29,144.87/43,706.36 = 9,418.13/x
  3. Step 3: Cross multiply
    29,144.87x = 43,706.36 × 9,418.13
  4. Step 4: Simplify right side
    29,144.87x = 411,631,985.32
  5. Step 5: Solve for x
    x = 411,631,985.32/29,144.87
  6. Step 6: Final answer
    x = 14,123.65

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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.