Home / 40,159.11-55,419.89-22,254.41

Finding the Fourth Proportional to 40,159.11, 55,419.89 and 22,254.41

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Solution

The fourth proportional to 40,159.11, 55,419.89 and 22,254.41 is: 30,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.11 : 55,419.89 = 22,254.41 : x
  2. Step 2: Convert to fraction form
    40,159.11/55,419.89 = 22,254.41/x
  3. Step 3: Cross multiply
    40,159.11x = 55,419.89 × 22,254.41
  4. Step 4: Simplify right side
    40,159.11x = 1,233,336,954.21
  5. Step 5: Solve for x
    x = 1,233,336,954.21/40,159.11
  6. Step 6: Final answer
    x = 30,711.27

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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.