Home / 40,177.60-55,444.78-22,028.11

Finding the Fourth Proportional to 40,177.60, 55,444.78 and 22,028.11

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Solution

The fourth proportional to 40,177.60, 55,444.78 and 22,028.11 is: 30,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.60 : 55,444.78 = 22,028.11 : x
  2. Step 2: Convert to fraction form
    40,177.60/55,444.78 = 22,028.11/x
  3. Step 3: Cross multiply
    40,177.60x = 55,444.78 × 22,028.11
  4. Step 4: Simplify right side
    40,177.60x = 1,221,343,712.77
  5. Step 5: Solve for x
    x = 1,221,343,712.77/40,177.60
  6. Step 6: Final answer
    x = 30,398.62

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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.