Home / 40,003.20-55,162.92-34,356.60

Finding the Fourth Proportional to 40,003.20, 55,162.92 and 34,356.60

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Solution

The fourth proportional to 40,003.20, 55,162.92 and 34,356.60 is: 47,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.20 : 55,162.92 = 34,356.60 : x
  2. Step 2: Convert to fraction form
    40,003.20/55,162.92 = 34,356.60/x
  3. Step 3: Cross multiply
    40,003.20x = 55,162.92 × 34,356.60
  4. Step 4: Simplify right side
    40,003.20x = 1,895,210,377.27
  5. Step 5: Solve for x
    x = 1,895,210,377.27/40,003.20
  6. Step 6: Final answer
    x = 47,376.47

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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.