Home / 98,035.92-147,049.02-31,479.30

Finding the Fourth Proportional to 98,035.92, 147,049.02 and 31,479.30

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Solution

The fourth proportional to 98,035.92, 147,049.02 and 31,479.30 is: 47,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,035.92 : 147,049.02 = 31,479.30 : x
  2. Step 2: Convert to fraction form
    98,035.92/147,049.02 = 31,479.30/x
  3. Step 3: Cross multiply
    98,035.92x = 147,049.02 × 31,479.30
  4. Step 4: Simplify right side
    98,035.92x = 4,629,000,215.29
  5. Step 5: Solve for x
    x = 4,629,000,215.29/98,035.92
  6. Step 6: Final answer
    x = 47,217.39

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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.