Home / 55,216.10-82,822.19-17,778.71

Finding the Fourth Proportional to 55,216.10, 82,822.19 and 17,778.71

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Solution

The fourth proportional to 55,216.10, 82,822.19 and 17,778.71 is: 26,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.10 : 82,822.19 = 17,778.71 : x
  2. Step 2: Convert to fraction form
    55,216.10/82,822.19 = 17,778.71/x
  3. Step 3: Cross multiply
    55,216.10x = 82,822.19 × 17,778.71
  4. Step 4: Simplify right side
    55,216.10x = 1,472,471,697.57
  5. Step 5: Solve for x
    x = 1,472,471,697.57/55,216.10
  6. Step 6: Final answer
    x = 26,667.43

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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.