Home / 38,134.12-57,167.15-19,403.68

Finding the Fourth Proportional to 38,134.12, 57,167.15 and 19,403.68

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Solution

The fourth proportional to 38,134.12, 57,167.15 and 19,403.68 is: 29,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134.12 : 57,167.15 = 19,403.68 : x
  2. Step 2: Convert to fraction form
    38,134.12/57,167.15 = 19,403.68/x
  3. Step 3: Cross multiply
    38,134.12x = 57,167.15 × 19,403.68
  4. Step 4: Simplify right side
    38,134.12x = 1,109,253,085.11
  5. Step 5: Solve for x
    x = 1,109,253,085.11/38,134.12
  6. Step 6: Final answer
    x = 29,088.20

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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.