Home / 29,479.42-40,685.96-17,382.12

Finding the Fourth Proportional to 29,479.42, 40,685.96 and 17,382.12

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Solution

The fourth proportional to 29,479.42, 40,685.96 and 17,382.12 is: 23,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.42 : 40,685.96 = 17,382.12 : x
  2. Step 2: Convert to fraction form
    29,479.42/40,685.96 = 17,382.12/x
  3. Step 3: Cross multiply
    29,479.42x = 40,685.96 × 17,382.12
  4. Step 4: Simplify right side
    29,479.42x = 707,207,948.69
  5. Step 5: Solve for x
    x = 707,207,948.69/29,479.42
  6. Step 6: Final answer
    x = 23,989.89

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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.