Home / 34,249.55-47,278.89-20,825.06

Finding the Fourth Proportional to 34,249.55, 47,278.89 and 20,825.06

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Solution

The fourth proportional to 34,249.55, 47,278.89 and 20,825.06 is: 28,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,249.55 : 47,278.89 = 20,825.06 : x
  2. Step 2: Convert to fraction form
    34,249.55/47,278.89 = 20,825.06/x
  3. Step 3: Cross multiply
    34,249.55x = 47,278.89 × 20,825.06
  4. Step 4: Simplify right side
    34,249.55x = 984,585,484.59
  5. Step 5: Solve for x
    x = 984,585,484.59/34,249.55
  6. Step 6: Final answer
    x = 28,747.40

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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.