Home / 39,906.72-55,068.75-22,001.85

Finding the Fourth Proportional to 39,906.72, 55,068.75 and 22,001.85

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Solution

The fourth proportional to 39,906.72, 55,068.75 and 22,001.85 is: 30,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.72 : 55,068.75 = 22,001.85 : x
  2. Step 2: Convert to fraction form
    39,906.72/55,068.75 = 22,001.85/x
  3. Step 3: Cross multiply
    39,906.72x = 55,068.75 × 22,001.85
  4. Step 4: Simplify right side
    39,906.72x = 1,211,614,377.19
  5. Step 5: Solve for x
    x = 1,211,614,377.19/39,906.72
  6. Step 6: Final answer
    x = 30,361.16

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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.