Home / 40,143.42-55,401.04-22,240.08

Finding the Fourth Proportional to 40,143.42, 55,401.04 and 22,240.08

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Solution

The fourth proportional to 40,143.42, 55,401.04 and 22,240.08 is: 30,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.42 : 55,401.04 = 22,240.08 : x
  2. Step 2: Convert to fraction form
    40,143.42/55,401.04 = 22,240.08/x
  3. Step 3: Cross multiply
    40,143.42x = 55,401.04 × 22,240.08
  4. Step 4: Simplify right side
    40,143.42x = 1,232,123,561.68
  5. Step 5: Solve for x
    x = 1,232,123,561.68/40,143.42
  6. Step 6: Final answer
    x = 30,693.04

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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.