Home / 39,966.89-55,153.99-22,061.89

Finding the Fourth Proportional to 39,966.89, 55,153.99 and 22,061.89

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Solution

The fourth proportional to 39,966.89, 55,153.99 and 22,061.89 is: 30,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.89 : 55,153.99 = 22,061.89 : x
  2. Step 2: Convert to fraction form
    39,966.89/55,153.99 = 22,061.89/x
  3. Step 3: Cross multiply
    39,966.89x = 55,153.99 × 22,061.89
  4. Step 4: Simplify right side
    39,966.89x = 1,216,801,260.44
  5. Step 5: Solve for x
    x = 1,216,801,260.44/39,966.89
  6. Step 6: Final answer
    x = 30,445.23

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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.