Home / 40,721.80-61,066.30-17,013.81

Finding the Fourth Proportional to 40,721.80, 61,066.30 and 17,013.81

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Solution

The fourth proportional to 40,721.80, 61,066.30 and 17,013.81 is: 25,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.80 : 61,066.30 = 17,013.81 : x
  2. Step 2: Convert to fraction form
    40,721.80/61,066.30 = 17,013.81/x
  3. Step 3: Cross multiply
    40,721.80x = 61,066.30 × 17,013.81
  4. Step 4: Simplify right side
    40,721.80x = 1,038,970,425.60
  5. Step 5: Solve for x
    x = 1,038,970,425.60/40,721.80
  6. Step 6: Final answer
    x = 25,513.86

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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.