Home / 38,630.91-57,939.53-17,565.99

Finding the Fourth Proportional to 38,630.91, 57,939.53 and 17,565.99

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Solution

The fourth proportional to 38,630.91, 57,939.53 and 17,565.99 is: 26,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.91 : 57,939.53 = 17,565.99 : x
  2. Step 2: Convert to fraction form
    38,630.91/57,939.53 = 17,565.99/x
  3. Step 3: Cross multiply
    38,630.91x = 57,939.53 × 17,565.99
  4. Step 4: Simplify right side
    38,630.91x = 1,017,765,116.75
  5. Step 5: Solve for x
    x = 1,017,765,116.75/38,630.91
  6. Step 6: Final answer
    x = 26,345.87

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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.