Home / 38,089.17-57,170.61-18,381.60

Finding the Fourth Proportional to 38,089.17, 57,170.61 and 18,381.60

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Solution

The fourth proportional to 38,089.17, 57,170.61 and 18,381.60 is: 27,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089.17 : 57,170.61 = 18,381.60 : x
  2. Step 2: Convert to fraction form
    38,089.17/57,170.61 = 18,381.60/x
  3. Step 3: Cross multiply
    38,089.17x = 57,170.61 × 18,381.60
  4. Step 4: Simplify right side
    38,089.17x = 1,050,887,284.78
  5. Step 5: Solve for x
    x = 1,050,887,284.78/38,089.17
  6. Step 6: Final answer
    x = 27,590.19

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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.