Home / 38,491.20-57,744.36-16,304.40

Finding the Fourth Proportional to 38,491.20, 57,744.36 and 16,304.40

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Solution

The fourth proportional to 38,491.20, 57,744.36 and 16,304.40 is: 24,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.20 : 57,744.36 = 16,304.40 : x
  2. Step 2: Convert to fraction form
    38,491.20/57,744.36 = 16,304.40/x
  3. Step 3: Cross multiply
    38,491.20x = 57,744.36 × 16,304.40
  4. Step 4: Simplify right side
    38,491.20x = 941,487,143.18
  5. Step 5: Solve for x
    x = 941,487,143.18/38,491.20
  6. Step 6: Final answer
    x = 24,459.80

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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.