Home / 47,861.28-71,789.31-14,580.63

Finding the Fourth Proportional to 47,861.28, 71,789.31 and 14,580.63

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Solution

The fourth proportional to 47,861.28, 71,789.31 and 14,580.63 is: 21,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.28 : 71,789.31 = 14,580.63 : x
  2. Step 2: Convert to fraction form
    47,861.28/71,789.31 = 14,580.63/x
  3. Step 3: Cross multiply
    47,861.28x = 71,789.31 × 14,580.63
  4. Step 4: Simplify right side
    47,861.28x = 1,046,733,367.07
  5. Step 5: Solve for x
    x = 1,046,733,367.07/47,861.28
  6. Step 6: Final answer
    x = 21,870.15

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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.