Home / 55,219.39-82,836.90-17,770.75

Finding the Fourth Proportional to 55,219.39, 82,836.90 and 17,770.75

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Solution

The fourth proportional to 55,219.39, 82,836.90 and 17,770.75 is: 26,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.39 : 82,836.90 = 17,770.75 : x
  2. Step 2: Convert to fraction form
    55,219.39/82,836.90 = 17,770.75/x
  3. Step 3: Cross multiply
    55,219.39x = 82,836.90 × 17,770.75
  4. Step 4: Simplify right side
    55,219.39x = 1,472,073,633.58
  5. Step 5: Solve for x
    x = 1,472,073,633.58/55,219.39
  6. Step 6: Final answer
    x = 26,658.64

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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.