Home / 55,614.16-76,747.16-30,119.95

Finding the Fourth Proportional to 55,614.16, 76,747.16 and 30,119.95

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Solution

The fourth proportional to 55,614.16, 76,747.16 and 30,119.95 is: 41,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.16 : 76,747.16 = 30,119.95 : x
  2. Step 2: Convert to fraction form
    55,614.16/76,747.16 = 30,119.95/x
  3. Step 3: Cross multiply
    55,614.16x = 76,747.16 × 30,119.95
  4. Step 4: Simplify right side
    55,614.16x = 2,311,620,793.08
  5. Step 5: Solve for x
    x = 2,311,620,793.08/55,614.16
  6. Step 6: Final answer
    x = 41,565.33

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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.