Home / 29,213.97-40,318.29-17,890.98

Finding the Fourth Proportional to 29,213.97, 40,318.29 and 17,890.98

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Solution

The fourth proportional to 29,213.97, 40,318.29 and 17,890.98 is: 24,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,213.97 : 40,318.29 = 17,890.98 : x
  2. Step 2: Convert to fraction form
    29,213.97/40,318.29 = 17,890.98/x
  3. Step 3: Cross multiply
    29,213.97x = 40,318.29 × 17,890.98
  4. Step 4: Simplify right side
    29,213.97x = 721,333,720.02
  5. Step 5: Solve for x
    x = 721,333,720.02/29,213.97
  6. Step 6: Final answer
    x = 24,691.40

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1.5x scale

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.