Home / 47,487.02-71,231.34-39,134.30

Finding the Fourth Proportional to 47,487.02, 71,231.34 and 39,134.30

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Solution

The fourth proportional to 47,487.02, 71,231.34 and 39,134.30 is: 58,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,487.02 : 71,231.34 = 39,134.30 : x
  2. Step 2: Convert to fraction form
    47,487.02/71,231.34 = 39,134.30/x
  3. Step 3: Cross multiply
    47,487.02x = 71,231.34 × 39,134.30
  4. Step 4: Simplify right side
    47,487.02x = 2,787,588,272.81
  5. Step 5: Solve for x
    x = 2,787,588,272.81/47,487.02
  6. Step 6: Final answer
    x = 58,702.12

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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.