Home / 38,785.13-58,182.92-12,483.53

Finding the Fourth Proportional to 38,785.13, 58,182.92 and 12,483.53

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Solution

The fourth proportional to 38,785.13, 58,182.92 and 12,483.53 is: 18,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.13 : 58,182.92 = 12,483.53 : x
  2. Step 2: Convert to fraction form
    38,785.13/58,182.92 = 12,483.53/x
  3. Step 3: Cross multiply
    38,785.13x = 58,182.92 × 12,483.53
  4. Step 4: Simplify right side
    38,785.13x = 726,328,164.89
  5. Step 5: Solve for x
    x = 726,328,164.89/38,785.13
  6. Step 6: Final answer
    x = 18,726.98

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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.