Home / 43,218.92-64,772.19-22,141.10

Finding the Fourth Proportional to 43,218.92, 64,772.19 and 22,141.10

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Solution

The fourth proportional to 43,218.92, 64,772.19 and 22,141.10 is: 33,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218.92 : 64,772.19 = 22,141.10 : x
  2. Step 2: Convert to fraction form
    43,218.92/64,772.19 = 22,141.10/x
  3. Step 3: Cross multiply
    43,218.92x = 64,772.19 × 22,141.10
  4. Step 4: Simplify right side
    43,218.92x = 1,434,127,697.94
  5. Step 5: Solve for x
    x = 1,434,127,697.94/43,218.92
  6. Step 6: Final answer
    x = 33,182.87

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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.