Home / 38,577.20-57,822.60-16,386.80

Finding the Fourth Proportional to 38,577.20, 57,822.60 and 16,386.80

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Solution

The fourth proportional to 38,577.20, 57,822.60 and 16,386.80 is: 24,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.20 : 57,822.60 = 16,386.80 : x
  2. Step 2: Convert to fraction form
    38,577.20/57,822.60 = 16,386.80/x
  3. Step 3: Cross multiply
    38,577.20x = 57,822.60 × 16,386.80
  4. Step 4: Simplify right side
    38,577.20x = 947,527,381.68
  5. Step 5: Solve for x
    x = 947,527,381.68/38,577.20
  6. Step 6: Final answer
    x = 24,561.85

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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.