Home / 38,472.30-57,702.68-12,173.63

Finding the Fourth Proportional to 38,472.30, 57,702.68 and 12,173.63

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Solution

The fourth proportional to 38,472.30, 57,702.68 and 12,173.63 is: 18,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.30 : 57,702.68 = 12,173.63 : x
  2. Step 2: Convert to fraction form
    38,472.30/57,702.68 = 12,173.63/x
  3. Step 3: Cross multiply
    38,472.30x = 57,702.68 × 12,173.63
  4. Step 4: Simplify right side
    38,472.30x = 702,450,726.95
  5. Step 5: Solve for x
    x = 702,450,726.95/38,472.30
  6. Step 6: Final answer
    x = 18,258.61

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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.