Home / 54,008.18-80,935.06-39,664.15

Finding the Fourth Proportional to 54,008.18, 80,935.06 and 39,664.15

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Solution

The fourth proportional to 54,008.18, 80,935.06 and 39,664.15 is: 59,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.18 : 80,935.06 = 39,664.15 : x
  2. Step 2: Convert to fraction form
    54,008.18/80,935.06 = 39,664.15/x
  3. Step 3: Cross multiply
    54,008.18x = 80,935.06 × 39,664.15
  4. Step 4: Simplify right side
    54,008.18x = 3,210,220,058.60
  5. Step 5: Solve for x
    x = 3,210,220,058.60/54,008.18
  6. Step 6: Final answer
    x = 59,439.51

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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.