Home / 55,562.77-83,335.70-18,122.79

Finding the Fourth Proportional to 55,562.77, 83,335.70 and 18,122.79

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Solution

The fourth proportional to 55,562.77, 83,335.70 and 18,122.79 is: 27,181.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.77 : 83,335.70 = 18,122.79 : x
  2. Step 2: Convert to fraction form
    55,562.77/83,335.70 = 18,122.79/x
  3. Step 3: Cross multiply
    55,562.77x = 83,335.70 × 18,122.79
  4. Step 4: Simplify right side
    55,562.77x = 1,510,275,390.60
  5. Step 5: Solve for x
    x = 1,510,275,390.60/55,562.77
  6. Step 6: Final answer
    x = 27,181.43

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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.