Home / 40,808.93-61,213.79-12,346.11

Finding the Fourth Proportional to 40,808.93, 61,213.79 and 12,346.11

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Solution

The fourth proportional to 40,808.93, 61,213.79 and 12,346.11 is: 18,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,808.93 : 61,213.79 = 12,346.11 : x
  2. Step 2: Convert to fraction form
    40,808.93/61,213.79 = 12,346.11/x
  3. Step 3: Cross multiply
    40,808.93x = 61,213.79 × 12,346.11
  4. Step 4: Simplify right side
    40,808.93x = 755,752,123.13
  5. Step 5: Solve for x
    x = 755,752,123.13/40,808.93
  6. Step 6: Final answer
    x = 18,519.28

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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.