Home / 39,982.23-55,175.12-22,076.85

Finding the Fourth Proportional to 39,982.23, 55,175.12 and 22,076.85

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Solution

The fourth proportional to 39,982.23, 55,175.12 and 22,076.85 is: 30,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.23 : 55,175.12 = 22,076.85 : x
  2. Step 2: Convert to fraction form
    39,982.23/55,175.12 = 22,076.85/x
  3. Step 3: Cross multiply
    39,982.23x = 55,175.12 × 22,076.85
  4. Step 4: Simplify right side
    39,982.23x = 1,218,092,461.71
  5. Step 5: Solve for x
    x = 1,218,092,461.71/39,982.23
  6. Step 6: Final answer
    x = 30,465.85

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1.5x scale

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.