Home / 34,747.72-52,113.58-20,711.70

Finding the Fourth Proportional to 34,747.72, 52,113.58 and 20,711.70

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Solution

The fourth proportional to 34,747.72, 52,113.58 and 20,711.70 is: 31,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.72 : 52,113.58 = 20,711.70 : x
  2. Step 2: Convert to fraction form
    34,747.72/52,113.58 = 20,711.70/x
  3. Step 3: Cross multiply
    34,747.72x = 52,113.58 × 20,711.70
  4. Step 4: Simplify right side
    34,747.72x = 1,079,360,783.11
  5. Step 5: Solve for x
    x = 1,079,360,783.11/34,747.72
  6. Step 6: Final answer
    x = 31,062.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.