Home / 38,311.27-57,457.17-19,580.83

Finding the Fourth Proportional to 38,311.27, 57,457.17 and 19,580.83

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Solution

The fourth proportional to 38,311.27, 57,457.17 and 19,580.83 is: 29,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.27 : 57,457.17 = 19,580.83 : x
  2. Step 2: Convert to fraction form
    38,311.27/57,457.17 = 19,580.83/x
  3. Step 3: Cross multiply
    38,311.27x = 57,457.17 × 19,580.83
  4. Step 4: Simplify right side
    38,311.27x = 1,125,058,934.41
  5. Step 5: Solve for x
    x = 1,125,058,934.41/38,311.27
  6. Step 6: Final answer
    x = 29,366.27

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1.5x scale

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.