Home / 40,990.41-61,494.26-13,286.25

Finding the Fourth Proportional to 40,990.41, 61,494.26 and 13,286.25

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Solution

The fourth proportional to 40,990.41, 61,494.26 and 13,286.25 is: 19,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.41 : 61,494.26 = 13,286.25 : x
  2. Step 2: Convert to fraction form
    40,990.41/61,494.26 = 13,286.25/x
  3. Step 3: Cross multiply
    40,990.41x = 61,494.26 × 13,286.25
  4. Step 4: Simplify right side
    40,990.41x = 817,028,045.49
  5. Step 5: Solve for x
    x = 817,028,045.49/40,990.41
  6. Step 6: Final answer
    x = 19,932.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.