Home / 42,882.56-64,340.48-34,639.36

Finding the Fourth Proportional to 42,882.56, 64,340.48 and 34,639.36

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Solution

The fourth proportional to 42,882.56, 64,340.48 and 34,639.36 is: 51,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,882.56 : 64,340.48 = 34,639.36 : x
  2. Step 2: Convert to fraction form
    42,882.56/64,340.48 = 34,639.36/x
  3. Step 3: Cross multiply
    42,882.56x = 64,340.48 × 34,639.36
  4. Step 4: Simplify right side
    42,882.56x = 2,228,713,049.29
  5. Step 5: Solve for x
    x = 2,228,713,049.29/42,882.56
  6. Step 6: Final answer
    x = 51,972.48

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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.