Home / 38,104.22-57,140.69-11,440.90

Finding the Fourth Proportional to 38,104.22, 57,140.69 and 11,440.90

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Solution

The fourth proportional to 38,104.22, 57,140.69 and 11,440.90 is: 17,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.22 : 57,140.69 = 11,440.90 : x
  2. Step 2: Convert to fraction form
    38,104.22/57,140.69 = 11,440.90/x
  3. Step 3: Cross multiply
    38,104.22x = 57,140.69 × 11,440.90
  4. Step 4: Simplify right side
    38,104.22x = 653,740,677.38
  5. Step 5: Solve for x
    x = 653,740,677.38/38,104.22
  6. Step 6: Final answer
    x = 17,156.65

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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.