Home / 40,743.07-61,115.88-12,663.27

Finding the Fourth Proportional to 40,743.07, 61,115.88 and 12,663.27

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Solution

The fourth proportional to 40,743.07, 61,115.88 and 12,663.27 is: 18,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.07 : 61,115.88 = 12,663.27 : x
  2. Step 2: Convert to fraction form
    40,743.07/61,115.88 = 12,663.27/x
  3. Step 3: Cross multiply
    40,743.07x = 61,115.88 × 12,663.27
  4. Step 4: Simplify right side
    40,743.07x = 773,926,889.73
  5. Step 5: Solve for x
    x = 773,926,889.73/40,743.07
  6. Step 6: Final answer
    x = 18,995.30

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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.