Home / 38,079.17-57,155.67-18,371.57

Finding the Fourth Proportional to 38,079.17, 57,155.67 and 18,371.57

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Solution

The fourth proportional to 38,079.17, 57,155.67 and 18,371.57 is: 27,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.17 : 57,155.67 = 18,371.57 : x
  2. Step 2: Convert to fraction form
    38,079.17/57,155.67 = 18,371.57/x
  3. Step 3: Cross multiply
    38,079.17x = 57,155.67 × 18,371.57
  4. Step 4: Simplify right side
    38,079.17x = 1,050,039,392.30
  5. Step 5: Solve for x
    x = 1,050,039,392.30/38,079.17
  6. Step 6: Final answer
    x = 27,575.16

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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.