Home / 40,924.80-61,367.04-13,219.20

Finding the Fourth Proportional to 40,924.80, 61,367.04 and 13,219.20

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Solution

The fourth proportional to 40,924.80, 61,367.04 and 13,219.20 is: 19,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,924.80 : 61,367.04 = 13,219.20 : x
  2. Step 2: Convert to fraction form
    40,924.80/61,367.04 = 13,219.20/x
  3. Step 3: Cross multiply
    40,924.80x = 61,367.04 × 13,219.20
  4. Step 4: Simplify right side
    40,924.80x = 811,223,175.17
  5. Step 5: Solve for x
    x = 811,223,175.17/40,924.80
  6. Step 6: Final answer
    x = 19,822.29

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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.