Home / 47,478.02-71,217.83-39,125.30

Finding the Fourth Proportional to 47,478.02, 71,217.83 and 39,125.30

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Solution

The fourth proportional to 47,478.02, 71,217.83 and 39,125.30 is: 58,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.02 : 71,217.83 = 39,125.30 : x
  2. Step 2: Convert to fraction form
    47,478.02/71,217.83 = 39,125.30/x
  3. Step 3: Cross multiply
    47,478.02x = 71,217.83 × 39,125.30
  4. Step 4: Simplify right side
    47,478.02x = 2,786,418,705.82
  5. Step 5: Solve for x
    x = 2,786,418,705.82/47,478.02
  6. Step 6: Final answer
    x = 58,688.61

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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.