Home / 55,415.52-76,471.20-30,265.92

Finding the Fourth Proportional to 55,415.52, 76,471.20 and 30,265.92

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Solution

The fourth proportional to 55,415.52, 76,471.20 and 30,265.92 is: 41,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.52 : 76,471.20 = 30,265.92 : x
  2. Step 2: Convert to fraction form
    55,415.52/76,471.20 = 30,265.92/x
  3. Step 3: Cross multiply
    55,415.52x = 76,471.20 × 30,265.92
  4. Step 4: Simplify right side
    55,415.52x = 2,314,471,221.50
  5. Step 5: Solve for x
    x = 2,314,471,221.50/55,415.52
  6. Step 6: Final answer
    x = 41,765.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.