Home / 38,565.80-57,870.30-16,375.40

Finding the Fourth Proportional to 38,565.80, 57,870.30 and 16,375.40

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Solution

The fourth proportional to 38,565.80, 57,870.30 and 16,375.40 is: 24,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.80 : 57,870.30 = 16,375.40 : x
  2. Step 2: Convert to fraction form
    38,565.80/57,870.30 = 16,375.40/x
  3. Step 3: Cross multiply
    38,565.80x = 57,870.30 × 16,375.40
  4. Step 4: Simplify right side
    38,565.80x = 947,649,310.62
  5. Step 5: Solve for x
    x = 947,649,310.62/38,565.80
  6. Step 6: Final answer
    x = 24,572.27

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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.