Home / 40,190.85-55,463.28-22,285.40

Finding the Fourth Proportional to 40,190.85, 55,463.28 and 22,285.40

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Solution

The fourth proportional to 40,190.85, 55,463.28 and 22,285.40 is: 30,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.85 : 55,463.28 = 22,285.40 : x
  2. Step 2: Convert to fraction form
    40,190.85/55,463.28 = 22,285.40/x
  3. Step 3: Cross multiply
    40,190.85x = 55,463.28 × 22,285.40
  4. Step 4: Simplify right side
    40,190.85x = 1,236,021,144.58
  5. Step 5: Solve for x
    x = 1,236,021,144.58/40,190.85
  6. Step 6: Final answer
    x = 30,753.79

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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.