Home / 34,711.35-47,906.82-20,370.57

Finding the Fourth Proportional to 34,711.35, 47,906.82 and 20,370.57

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Solution

The fourth proportional to 34,711.35, 47,906.82 and 20,370.57 is: 28,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,711.35 : 47,906.82 = 20,370.57 : x
  2. Step 2: Convert to fraction form
    34,711.35/47,906.82 = 20,370.57/x
  3. Step 3: Cross multiply
    34,711.35x = 47,906.82 × 20,370.57
  4. Step 4: Simplify right side
    34,711.35x = 975,889,230.29
  5. Step 5: Solve for x
    x = 975,889,230.29/34,711.35
  6. Step 6: Final answer
    x = 28,114.41

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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.