Home / 55,217.26-82,839.10-17,780.84

Finding the Fourth Proportional to 55,217.26, 82,839.10 and 17,780.84

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Solution

The fourth proportional to 55,217.26, 82,839.10 and 17,780.84 is: 26,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,217.26 : 82,839.10 = 17,780.84 : x
  2. Step 2: Convert to fraction form
    55,217.26/82,839.10 = 17,780.84/x
  3. Step 3: Cross multiply
    55,217.26x = 82,839.10 × 17,780.84
  4. Step 4: Simplify right side
    55,217.26x = 1,472,948,782.84
  5. Step 5: Solve for x
    x = 1,472,948,782.84/55,217.26
  6. Step 6: Final answer
    x = 26,675.51

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1.5x scale

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.