Home / 38,409.52-57,614.28-12,116.92

Finding the Fourth Proportional to 38,409.52, 57,614.28 and 12,116.92

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Solution

The fourth proportional to 38,409.52, 57,614.28 and 12,116.92 is: 18,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409.52 : 57,614.28 = 12,116.92 : x
  2. Step 2: Convert to fraction form
    38,409.52/57,614.28 = 12,116.92/x
  3. Step 3: Cross multiply
    38,409.52x = 57,614.28 × 12,116.92
  4. Step 4: Simplify right side
    38,409.52x = 698,107,621.62
  5. Step 5: Solve for x
    x = 698,107,621.62/38,409.52
  6. Step 6: Final answer
    x = 18,175.38

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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.