Home / 40,155.49-55,414.52-22,251.65

Finding the Fourth Proportional to 40,155.49, 55,414.52 and 22,251.65

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Solution

The fourth proportional to 40,155.49, 55,414.52 and 22,251.65 is: 30,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.49 : 55,414.52 = 22,251.65 : x
  2. Step 2: Convert to fraction form
    40,155.49/55,414.52 = 22,251.65/x
  3. Step 3: Cross multiply
    40,155.49x = 55,414.52 × 22,251.65
  4. Step 4: Simplify right side
    40,155.49x = 1,233,064,531.24
  5. Step 5: Solve for x
    x = 1,233,064,531.24/40,155.49
  6. Step 6: Final answer
    x = 30,707.25

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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.