Home / 40,158.42-55,418.58-22,254.54

Finding the Fourth Proportional to 40,158.42, 55,418.58 and 22,254.54

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Solution

The fourth proportional to 40,158.42, 55,418.58 and 22,254.54 is: 30,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.42 : 55,418.58 = 22,254.54 : x
  2. Step 2: Convert to fraction form
    40,158.42/55,418.58 = 22,254.54/x
  3. Step 3: Cross multiply
    40,158.42x = 55,418.58 × 22,254.54
  4. Step 4: Simplify right side
    40,158.42x = 1,233,315,005.35
  5. Step 5: Solve for x
    x = 1,233,315,005.35/40,158.42
  6. Step 6: Final answer
    x = 30,711.24

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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.