Home / 40,158.75-55,420.29-22,252.08

Finding the Fourth Proportional to 40,158.75, 55,420.29 and 22,252.08

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Solution

The fourth proportional to 40,158.75, 55,420.29 and 22,252.08 is: 30,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.75 : 55,420.29 = 22,252.08 : x
  2. Step 2: Convert to fraction form
    40,158.75/55,420.29 = 22,252.08/x
  3. Step 3: Cross multiply
    40,158.75x = 55,420.29 × 22,252.08
  4. Step 4: Simplify right side
    40,158.75x = 1,233,216,726.70
  5. Step 5: Solve for x
    x = 1,233,216,726.70/40,158.75
  6. Step 6: Final answer
    x = 30,708.54

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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.