Home / 34,452.14-47,543.98-20,121.74

Finding the Fourth Proportional to 34,452.14, 47,543.98 and 20,121.74

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Solution

The fourth proportional to 34,452.14, 47,543.98 and 20,121.74 is: 27,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,452.14 : 47,543.98 = 20,121.74 : x
  2. Step 2: Convert to fraction form
    34,452.14/47,543.98 = 20,121.74/x
  3. Step 3: Cross multiply
    34,452.14x = 47,543.98 × 20,121.74
  4. Step 4: Simplify right side
    34,452.14x = 956,667,604.13
  5. Step 5: Solve for x
    x = 956,667,604.13/34,452.14
  6. Step 6: Final answer
    x = 27,768.02

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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.