Home / 54,685.48-82,035.06-21,401.25

Finding the Fourth Proportional to 54,685.48, 82,035.06 and 21,401.25

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Solution

The fourth proportional to 54,685.48, 82,035.06 and 21,401.25 is: 32,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.48 : 82,035.06 = 21,401.25 : x
  2. Step 2: Convert to fraction form
    54,685.48/82,035.06 = 21,401.25/x
  3. Step 3: Cross multiply
    54,685.48x = 82,035.06 × 21,401.25
  4. Step 4: Simplify right side
    54,685.48x = 1,755,652,827.83
  5. Step 5: Solve for x
    x = 1,755,652,827.83/54,685.48
  6. Step 6: Final answer
    x = 32,104.55

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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.