Home / 47,810.64-71,713.20-18,231.46

Finding the Fourth Proportional to 47,810.64, 71,713.20 and 18,231.46

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Solution

The fourth proportional to 47,810.64, 71,713.20 and 18,231.46 is: 27,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,810.64 : 71,713.20 = 18,231.46 : x
  2. Step 2: Convert to fraction form
    47,810.64/71,713.20 = 18,231.46/x
  3. Step 3: Cross multiply
    47,810.64x = 71,713.20 × 18,231.46
  4. Step 4: Simplify right side
    47,810.64x = 1,307,436,337.27
  5. Step 5: Solve for x
    x = 1,307,436,337.27/47,810.64
  6. Step 6: Final answer
    x = 27,346.14

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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.