Home / 39,395.10-54,363.07-22,397

Finding the Fourth Proportional to 39,395.10, 54,363.07 and 22,397

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Solution

The fourth proportional to 39,395.10, 54,363.07 and 22,397 is: 30,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.10 : 54,363.07 = 22,397 : x
  2. Step 2: Convert to fraction form
    39,395.10/54,363.07 = 22,397/x
  3. Step 3: Cross multiply
    39,395.10x = 54,363.07 × 22,397
  4. Step 4: Simplify right side
    39,395.10x = 1,217,569,678.79
  5. Step 5: Solve for x
    x = 1,217,569,678.79/39,395.10
  6. Step 6: Final answer
    x = 30,906.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.