Home / 40,064.25-55,286.49-22,158.21

Finding the Fourth Proportional to 40,064.25, 55,286.49 and 22,158.21

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Solution

The fourth proportional to 40,064.25, 55,286.49 and 22,158.21 is: 30,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.25 : 55,286.49 = 22,158.21 : x
  2. Step 2: Convert to fraction form
    40,064.25/55,286.49 = 22,158.21/x
  3. Step 3: Cross multiply
    40,064.25x = 55,286.49 × 22,158.21
  4. Step 4: Simplify right side
    40,064.25x = 1,225,049,655.58
  5. Step 5: Solve for x
    x = 1,225,049,655.58/40,064.25
  6. Step 6: Final answer
    x = 30,577.13

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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.