Home / 40,954.12-61,394.61-15,988.36

Finding the Fourth Proportional to 40,954.12, 61,394.61 and 15,988.36

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Solution

The fourth proportional to 40,954.12, 61,394.61 and 15,988.36 is: 23,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,954.12 : 61,394.61 = 15,988.36 : x
  2. Step 2: Convert to fraction form
    40,954.12/61,394.61 = 15,988.36/x
  3. Step 3: Cross multiply
    40,954.12x = 61,394.61 × 15,988.36
  4. Step 4: Simplify right side
    40,954.12x = 981,599,126.74
  5. Step 5: Solve for x
    x = 981,599,126.74/40,954.12
  6. Step 6: Final answer
    x = 23,968.26

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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.