Home / 40,160.79-55,422.33-22,256.13

Finding the Fourth Proportional to 40,160.79, 55,422.33 and 22,256.13

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Solution

The fourth proportional to 40,160.79, 55,422.33 and 22,256.13 is: 30,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.79 : 55,422.33 = 22,256.13 : x
  2. Step 2: Convert to fraction form
    40,160.79/55,422.33 = 22,256.13/x
  3. Step 3: Cross multiply
    40,160.79x = 55,422.33 × 22,256.13
  4. Step 4: Simplify right side
    40,160.79x = 1,233,486,581.38
  5. Step 5: Solve for x
    x = 1,233,486,581.38/40,160.79
  6. Step 6: Final answer
    x = 30,713.70

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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.