Home / 55,793.25-76,995.90-30,642.75

Finding the Fourth Proportional to 55,793.25, 76,995.90 and 30,642.75

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Solution

The fourth proportional to 55,793.25, 76,995.90 and 30,642.75 is: 42,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.25 : 76,995.90 = 30,642.75 : x
  2. Step 2: Convert to fraction form
    55,793.25/76,995.90 = 30,642.75/x
  3. Step 3: Cross multiply
    55,793.25x = 76,995.90 × 30,642.75
  4. Step 4: Simplify right side
    55,793.25x = 2,359,366,114.73
  5. Step 5: Solve for x
    x = 2,359,366,114.73/55,793.25
  6. Step 6: Final answer
    x = 42,287.66

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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.