Home / 55,235.20-82,852.80-51,517.30

Finding the Fourth Proportional to 55,235.20, 82,852.80 and 51,517.30

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Solution

The fourth proportional to 55,235.20, 82,852.80 and 51,517.30 is: 77,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.20 : 82,852.80 = 51,517.30 : x
  2. Step 2: Convert to fraction form
    55,235.20/82,852.80 = 51,517.30/x
  3. Step 3: Cross multiply
    55,235.20x = 82,852.80 × 51,517.30
  4. Step 4: Simplify right side
    55,235.20x = 4,268,352,553.44
  5. Step 5: Solve for x
    x = 4,268,352,553.44/55,235.20
  6. Step 6: Final answer
    x = 77,275.95

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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.