Home / 47,769.40-71,654.70-14,489.80

Finding the Fourth Proportional to 47,769.40, 71,654.70 and 14,489.80

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Solution

The fourth proportional to 47,769.40, 71,654.70 and 14,489.80 is: 21,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.40 : 71,654.70 = 14,489.80 : x
  2. Step 2: Convert to fraction form
    47,769.40/71,654.70 = 14,489.80/x
  3. Step 3: Cross multiply
    47,769.40x = 71,654.70 × 14,489.80
  4. Step 4: Simplify right side
    47,769.40x = 1,038,262,272.06
  5. Step 5: Solve for x
    x = 1,038,262,272.06/47,769.40
  6. Step 6: Final answer
    x = 21,734.88

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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.