Home / 34,177.23-47,161.31-20,755.84

Finding the Fourth Proportional to 34,177.23, 47,161.31 and 20,755.84

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Solution

The fourth proportional to 34,177.23, 47,161.31 and 20,755.84 is: 28,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.23 : 47,161.31 = 20,755.84 : x
  2. Step 2: Convert to fraction form
    34,177.23/47,161.31 = 20,755.84/x
  3. Step 3: Cross multiply
    34,177.23x = 47,161.31 × 20,755.84
  4. Step 4: Simplify right side
    34,177.23x = 978,872,604.55
  5. Step 5: Solve for x
    x = 978,872,604.55/34,177.23
  6. Step 6: Final answer
    x = 28,641.07

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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.