Home / 47,729.40-71,602.20-14,449.20

Finding the Fourth Proportional to 47,729.40, 71,602.20 and 14,449.20

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Solution

The fourth proportional to 47,729.40, 71,602.20 and 14,449.20 is: 21,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.40 : 71,602.20 = 14,449.20 : x
  2. Step 2: Convert to fraction form
    47,729.40/71,602.20 = 14,449.20/x
  3. Step 3: Cross multiply
    47,729.40x = 71,602.20 × 14,449.20
  4. Step 4: Simplify right side
    47,729.40x = 1,034,594,508.24
  5. Step 5: Solve for x
    x = 1,034,594,508.24/47,729.40
  6. Step 6: Final answer
    x = 21,676.25

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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.