Home / 40,158.91-55,419.62-22,254.22

Finding the Fourth Proportional to 40,158.91, 55,419.62 and 22,254.22

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Solution

The fourth proportional to 40,158.91, 55,419.62 and 22,254.22 is: 30,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.91 : 55,419.62 = 22,254.22 : x
  2. Step 2: Convert to fraction form
    40,158.91/55,419.62 = 22,254.22/x
  3. Step 3: Cross multiply
    40,158.91x = 55,419.62 × 22,254.22
  4. Step 4: Simplify right side
    40,158.91x = 1,233,320,194.33
  5. Step 5: Solve for x
    x = 1,233,320,194.33/40,158.91
  6. Step 6: Final answer
    x = 30,711.00

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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.