Home / 40,170.95-55,435.35-22,265.57

Finding the Fourth Proportional to 40,170.95, 55,435.35 and 22,265.57

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Solution

The fourth proportional to 40,170.95, 55,435.35 and 22,265.57 is: 30,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.95 : 55,435.35 = 22,265.57 : x
  2. Step 2: Convert to fraction form
    40,170.95/55,435.35 = 22,265.57/x
  3. Step 3: Cross multiply
    40,170.95x = 55,435.35 × 22,265.57
  4. Step 4: Simplify right side
    40,170.95x = 1,234,299,388.72
  5. Step 5: Solve for x
    x = 1,234,299,388.72/40,170.95
  6. Step 6: Final answer
    x = 30,726.17

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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.