Home / 40,003.30-55,163.21-34,356.74

Finding the Fourth Proportional to 40,003.30, 55,163.21 and 34,356.74

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Solution

The fourth proportional to 40,003.30, 55,163.21 and 34,356.74 is: 47,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.30 : 55,163.21 = 34,356.74 : x
  2. Step 2: Convert to fraction form
    40,003.30/55,163.21 = 34,356.74/x
  3. Step 3: Cross multiply
    40,003.30x = 55,163.21 × 34,356.74
  4. Step 4: Simplify right side
    40,003.30x = 1,895,228,029.66
  5. Step 5: Solve for x
    x = 1,895,228,029.66/40,003.30
  6. Step 6: Final answer
    x = 47,376.80

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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.