Home / 40,422.69-55,775.91-22,517.25

Finding the Fourth Proportional to 40,422.69, 55,775.91 and 22,517.25

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Solution

The fourth proportional to 40,422.69, 55,775.91 and 22,517.25 is: 31,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.69 : 55,775.91 = 22,517.25 : x
  2. Step 2: Convert to fraction form
    40,422.69/55,775.91 = 22,517.25/x
  3. Step 3: Cross multiply
    40,422.69x = 55,775.91 × 22,517.25
  4. Step 4: Simplify right side
    40,422.69x = 1,255,920,109.45
  5. Step 5: Solve for x
    x = 1,255,920,109.45/40,422.69
  6. Step 6: Final answer
    x = 31,069.68

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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.