Home / 47,115.46-70,680.19-15,519.69

Finding the Fourth Proportional to 47,115.46, 70,680.19 and 15,519.69

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Solution

The fourth proportional to 47,115.46, 70,680.19 and 15,519.69 is: 23,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.46 : 70,680.19 = 15,519.69 : x
  2. Step 2: Convert to fraction form
    47,115.46/70,680.19 = 15,519.69/x
  3. Step 3: Cross multiply
    47,115.46x = 70,680.19 × 15,519.69
  4. Step 4: Simplify right side
    47,115.46x = 1,096,934,637.94
  5. Step 5: Solve for x
    x = 1,096,934,637.94/47,115.46
  6. Step 6: Final answer
    x = 23,281.84

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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.