Home / 38,841.76-58,261.14-11,139.76

Finding the Fourth Proportional to 38,841.76, 58,261.14 and 11,139.76

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Solution

The fourth proportional to 38,841.76, 58,261.14 and 11,139.76 is: 16,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,841.76 : 58,261.14 = 11,139.76 : x
  2. Step 2: Convert to fraction form
    38,841.76/58,261.14 = 11,139.76/x
  3. Step 3: Cross multiply
    38,841.76x = 58,261.14 × 11,139.76
  4. Step 4: Simplify right side
    38,841.76x = 649,015,116.93
  5. Step 5: Solve for x
    x = 649,015,116.93/38,841.76
  6. Step 6: Final answer
    x = 16,709.21

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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.