Home / 40,974.40-61,479.96-19,902.88

Finding the Fourth Proportional to 40,974.40, 61,479.96 and 19,902.88

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Solution

The fourth proportional to 40,974.40, 61,479.96 and 19,902.88 is: 29,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,974.40 : 61,479.96 = 19,902.88 : x
  2. Step 2: Convert to fraction form
    40,974.40/61,479.96 = 19,902.88/x
  3. Step 3: Cross multiply
    40,974.40x = 61,479.96 × 19,902.88
  4. Step 4: Simplify right side
    40,974.40x = 1,223,628,266.28
  5. Step 5: Solve for x
    x = 1,223,628,266.28/40,974.40
  6. Step 6: Final answer
    x = 29,863.24

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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.