Home / 40,918.58-61,377.87-12,842.97

Finding the Fourth Proportional to 40,918.58, 61,377.87 and 12,842.97

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Solution

The fourth proportional to 40,918.58, 61,377.87 and 12,842.97 is: 19,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.58 : 61,377.87 = 12,842.97 : x
  2. Step 2: Convert to fraction form
    40,918.58/61,377.87 = 12,842.97/x
  3. Step 3: Cross multiply
    40,918.58x = 61,377.87 × 12,842.97
  4. Step 4: Simplify right side
    40,918.58x = 788,274,143.07
  5. Step 5: Solve for x
    x = 788,274,143.07/40,918.58
  6. Step 6: Final answer
    x = 19,264.46

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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.