Home / 40,187.88-55,454.12-22,282.72

Finding the Fourth Proportional to 40,187.88, 55,454.12 and 22,282.72

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Solution

The fourth proportional to 40,187.88, 55,454.12 and 22,282.72 is: 30,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.88 : 55,454.12 = 22,282.72 : x
  2. Step 2: Convert to fraction form
    40,187.88/55,454.12 = 22,282.72/x
  3. Step 3: Cross multiply
    40,187.88x = 55,454.12 × 22,282.72
  4. Step 4: Simplify right side
    40,187.88x = 1,235,668,628.81
  5. Step 5: Solve for x
    x = 1,235,668,628.81/40,187.88
  6. Step 6: Final answer
    x = 30,747.30

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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.