Home / 55,117.04-82,674.19-17,679.75

Finding the Fourth Proportional to 55,117.04, 82,674.19 and 17,679.75

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Solution

The fourth proportional to 55,117.04, 82,674.19 and 17,679.75 is: 26,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.04 : 82,674.19 = 17,679.75 : x
  2. Step 2: Convert to fraction form
    55,117.04/82,674.19 = 17,679.75/x
  3. Step 3: Cross multiply
    55,117.04x = 82,674.19 × 17,679.75
  4. Step 4: Simplify right side
    55,117.04x = 1,461,659,010.65
  5. Step 5: Solve for x
    x = 1,461,659,010.65/55,117.04
  6. Step 6: Final answer
    x = 26,519.19

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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.