Home / 38,572.20-57,815.10-16,381.80

Finding the Fourth Proportional to 38,572.20, 57,815.10 and 16,381.80

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Solution

The fourth proportional to 38,572.20, 57,815.10 and 16,381.80 is: 24,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.20 : 57,815.10 = 16,381.80 : x
  2. Step 2: Convert to fraction form
    38,572.20/57,815.10 = 16,381.80/x
  3. Step 3: Cross multiply
    38,572.20x = 57,815.10 × 16,381.80
  4. Step 4: Simplify right side
    38,572.20x = 947,115,405.18
  5. Step 5: Solve for x
    x = 947,115,405.18/38,572.20
  6. Step 6: Final answer
    x = 24,554.35

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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.