Home / 29,979.18-41,376.15-17,881.20

Finding the Fourth Proportional to 29,979.18, 41,376.15 and 17,881.20

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Solution

The fourth proportional to 29,979.18, 41,376.15 and 17,881.20 is: 24,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.18 : 41,376.15 = 17,881.20 : x
  2. Step 2: Convert to fraction form
    29,979.18/41,376.15 = 17,881.20/x
  3. Step 3: Cross multiply
    29,979.18x = 41,376.15 × 17,881.20
  4. Step 4: Simplify right side
    29,979.18x = 739,855,213.38
  5. Step 5: Solve for x
    x = 739,855,213.38/29,979.18
  6. Step 6: Final answer
    x = 24,678.97

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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.