Home / 55,219.52-82,845.38-17,778.76

Finding the Fourth Proportional to 55,219.52, 82,845.38 and 17,778.76

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Solution

The fourth proportional to 55,219.52, 82,845.38 and 17,778.76 is: 26,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,219.52 : 82,845.38 = 17,778.76 : x
  2. Step 2: Convert to fraction form
    55,219.52/82,845.38 = 17,778.76/x
  3. Step 3: Cross multiply
    55,219.52x = 82,845.38 × 17,778.76
  4. Step 4: Simplify right side
    55,219.52x = 1,472,888,128.13
  5. Step 5: Solve for x
    x = 1,472,888,128.13/55,219.52
  6. Step 6: Final answer
    x = 26,673.32

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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.