Home / 40,305.72-55,621.60-22,401.24

Finding the Fourth Proportional to 40,305.72, 55,621.60 and 22,401.24

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Solution

The fourth proportional to 40,305.72, 55,621.60 and 22,401.24 is: 30,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.72 : 55,621.60 = 22,401.24 : x
  2. Step 2: Convert to fraction form
    40,305.72/55,621.60 = 22,401.24/x
  3. Step 3: Cross multiply
    40,305.72x = 55,621.60 × 22,401.24
  4. Step 4: Simplify right side
    40,305.72x = 1,245,992,810.78
  5. Step 5: Solve for x
    x = 1,245,992,810.78/40,305.72
  6. Step 6: Final answer
    x = 30,913.55

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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.