Home / 43,344-64,986.12-17,051.76

Finding the Fourth Proportional to 43,344, 64,986.12 and 17,051.76

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Solution

The fourth proportional to 43,344, 64,986.12 and 17,051.76 is: 25,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,344 : 64,986.12 = 17,051.76 : x
  2. Step 2: Convert to fraction form
    43,344/64,986.12 = 17,051.76/x
  3. Step 3: Cross multiply
    43,344x = 64,986.12 × 17,051.76
  4. Step 4: Simplify right side
    43,344x = 1,108,127,721.57
  5. Step 5: Solve for x
    x = 1,108,127,721.57/43,344
  6. Step 6: Final answer
    x = 25,565.89

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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.