Home / 47,581.02-71,372.34-12,517.88

Finding the Fourth Proportional to 47,581.02, 71,372.34 and 12,517.88

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Solution

The fourth proportional to 47,581.02, 71,372.34 and 12,517.88 is: 18,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.02 : 71,372.34 = 12,517.88 : x
  2. Step 2: Convert to fraction form
    47,581.02/71,372.34 = 12,517.88/x
  3. Step 3: Cross multiply
    47,581.02x = 71,372.34 × 12,517.88
  4. Step 4: Simplify right side
    47,581.02x = 893,430,030.58
  5. Step 5: Solve for x
    x = 893,430,030.58/47,581.02
  6. Step 6: Final answer
    x = 18,777.03

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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.