Home / 47,808.64-71,710.20-18,229.46

Finding the Fourth Proportional to 47,808.64, 71,710.20 and 18,229.46

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Solution

The fourth proportional to 47,808.64, 71,710.20 and 18,229.46 is: 27,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.64 : 71,710.20 = 18,229.46 : x
  2. Step 2: Convert to fraction form
    47,808.64/71,710.20 = 18,229.46/x
  3. Step 3: Cross multiply
    47,808.64x = 71,710.20 × 18,229.46
  4. Step 4: Simplify right side
    47,808.64x = 1,307,238,222.49
  5. Step 5: Solve for x
    x = 1,307,238,222.49/47,808.64
  6. Step 6: Final answer
    x = 27,343.14

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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.