Home / 47,765.30-71,648.15-14,485.70

Finding the Fourth Proportional to 47,765.30, 71,648.15 and 14,485.70

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Solution

The fourth proportional to 47,765.30, 71,648.15 and 14,485.70 is: 21,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,765.30 : 71,648.15 = 14,485.70 : x
  2. Step 2: Convert to fraction form
    47,765.30/71,648.15 = 14,485.70/x
  3. Step 3: Cross multiply
    47,765.30x = 71,648.15 × 14,485.70
  4. Step 4: Simplify right side
    47,765.30x = 1,037,873,713.15
  5. Step 5: Solve for x
    x = 1,037,873,713.15/47,765.30
  6. Step 6: Final answer
    x = 21,728.62

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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.