Home / 40,881.88-61,340.10-17,519.32

Finding the Fourth Proportional to 40,881.88, 61,340.10 and 17,519.32

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Solution

The fourth proportional to 40,881.88, 61,340.10 and 17,519.32 is: 26,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,881.88 : 61,340.10 = 17,519.32 : x
  2. Step 2: Convert to fraction form
    40,881.88/61,340.10 = 17,519.32/x
  3. Step 3: Cross multiply
    40,881.88x = 61,340.10 × 17,519.32
  4. Step 4: Simplify right side
    40,881.88x = 1,074,636,840.73
  5. Step 5: Solve for x
    x = 1,074,636,840.73/40,881.88
  6. Step 6: Final answer
    x = 26,286.39

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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.