Home / 55,217.24-82,800.48-17,770.40

Finding the Fourth Proportional to 55,217.24, 82,800.48 and 17,770.40

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Solution

The fourth proportional to 55,217.24, 82,800.48 and 17,770.40 is: 26,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,217.24 : 82,800.48 = 17,770.40 : x
  2. Step 2: Convert to fraction form
    55,217.24/82,800.48 = 17,770.40/x
  3. Step 3: Cross multiply
    55,217.24x = 82,800.48 × 17,770.40
  4. Step 4: Simplify right side
    55,217.24x = 1,471,397,649.79
  5. Step 5: Solve for x
    x = 1,471,397,649.79/55,217.24
  6. Step 6: Final answer
    x = 26,647.43

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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.