Home / 40,135.95-55,389.26-22,230.92

Finding the Fourth Proportional to 40,135.95, 55,389.26 and 22,230.92

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Solution

The fourth proportional to 40,135.95, 55,389.26 and 22,230.92 is: 30,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.95 : 55,389.26 = 22,230.92 : x
  2. Step 2: Convert to fraction form
    40,135.95/55,389.26 = 22,230.92/x
  3. Step 3: Cross multiply
    40,135.95x = 55,389.26 × 22,230.92
  4. Step 4: Simplify right side
    40,135.95x = 1,231,354,401.97
  5. Step 5: Solve for x
    x = 1,231,354,401.97/40,135.95
  6. Step 6: Final answer
    x = 30,679.59

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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.