Home / 57,382.40-86,073.66-17,939.72

Finding the Fourth Proportional to 57,382.40, 86,073.66 and 17,939.72

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Solution

The fourth proportional to 57,382.40, 86,073.66 and 17,939.72 is: 26,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,382.40 : 86,073.66 = 17,939.72 : x
  2. Step 2: Convert to fraction form
    57,382.40/86,073.66 = 17,939.72/x
  3. Step 3: Cross multiply
    57,382.40x = 86,073.66 × 17,939.72
  4. Step 4: Simplify right side
    57,382.40x = 1,544,137,359.78
  5. Step 5: Solve for x
    x = 1,544,137,359.78/57,382.40
  6. Step 6: Final answer
    x = 26,909.60

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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.