Home / 40,319.28-55,642.66-22,414.64

Finding the Fourth Proportional to 40,319.28, 55,642.66 and 22,414.64

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Solution

The fourth proportional to 40,319.28, 55,642.66 and 22,414.64 is: 30,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.28 : 55,642.66 = 22,414.64 : x
  2. Step 2: Convert to fraction form
    40,319.28/55,642.66 = 22,414.64/x
  3. Step 3: Cross multiply
    40,319.28x = 55,642.66 × 22,414.64
  4. Step 4: Simplify right side
    40,319.28x = 1,247,210,192.54
  5. Step 5: Solve for x
    x = 1,247,210,192.54/40,319.28
  6. Step 6: Final answer
    x = 30,933.34

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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.