Home / 40,809.72-61,214.40-11,227.80

Finding the Fourth Proportional to 40,809.72, 61,214.40 and 11,227.80

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Solution

The fourth proportional to 40,809.72, 61,214.40 and 11,227.80 is: 16,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.72 : 61,214.40 = 11,227.80 : x
  2. Step 2: Convert to fraction form
    40,809.72/61,214.40 = 11,227.80/x
  3. Step 3: Cross multiply
    40,809.72x = 61,214.40 × 11,227.80
  4. Step 4: Simplify right side
    40,809.72x = 687,303,040.32
  5. Step 5: Solve for x
    x = 687,303,040.32/40,809.72
  6. Step 6: Final answer
    x = 16,841.65

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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.