Home / 38,470.93-57,732.17-13,511.08

Finding the Fourth Proportional to 38,470.93, 57,732.17 and 13,511.08

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Solution

The fourth proportional to 38,470.93, 57,732.17 and 13,511.08 is: 20,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.93 : 57,732.17 = 13,511.08 : x
  2. Step 2: Convert to fraction form
    38,470.93/57,732.17 = 13,511.08/x
  3. Step 3: Cross multiply
    38,470.93x = 57,732.17 × 13,511.08
  4. Step 4: Simplify right side
    38,470.93x = 780,023,967.44
  5. Step 5: Solve for x
    x = 780,023,967.44/38,470.93
  6. Step 6: Final answer
    x = 20,275.67

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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.