Home / 47,822.56-71,710.60-28,866.76

Finding the Fourth Proportional to 47,822.56, 71,710.60 and 28,866.76

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Solution

The fourth proportional to 47,822.56, 71,710.60 and 28,866.76 is: 43,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,822.56 : 71,710.60 = 28,866.76 : x
  2. Step 2: Convert to fraction form
    47,822.56/71,710.60 = 28,866.76/x
  3. Step 3: Cross multiply
    47,822.56x = 71,710.60 × 28,866.76
  4. Step 4: Simplify right side
    47,822.56x = 2,070,052,679.66
  5. Step 5: Solve for x
    x = 2,070,052,679.66/47,822.56
  6. Step 6: Final answer
    x = 43,286.11

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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.