Home / 40,023.46-55,232.55-21,874.55

Finding the Fourth Proportional to 40,023.46, 55,232.55 and 21,874.55

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Solution

The fourth proportional to 40,023.46, 55,232.55 and 21,874.55 is: 30,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,023.46 : 55,232.55 = 21,874.55 : x
  2. Step 2: Convert to fraction form
    40,023.46/55,232.55 = 21,874.55/x
  3. Step 3: Cross multiply
    40,023.46x = 55,232.55 × 21,874.55
  4. Step 4: Simplify right side
    40,023.46x = 1,208,187,025.53
  5. Step 5: Solve for x
    x = 1,208,187,025.53/40,023.46
  6. Step 6: Final answer
    x = 30,186.97

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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.