Home / 38,387.31-57,497.46-18,624.25

Finding the Fourth Proportional to 38,387.31, 57,497.46 and 18,624.25

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Solution

The fourth proportional to 38,387.31, 57,497.46 and 18,624.25 is: 27,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387.31 : 57,497.46 = 18,624.25 : x
  2. Step 2: Convert to fraction form
    38,387.31/57,497.46 = 18,624.25/x
  3. Step 3: Cross multiply
    38,387.31x = 57,497.46 × 18,624.25
  4. Step 4: Simplify right side
    38,387.31x = 1,070,847,069.41
  5. Step 5: Solve for x
    x = 1,070,847,069.41/38,387.31
  6. Step 6: Final answer
    x = 27,895.86

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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.