Home / 34,905.20-48,167.76-18,989.71

Finding the Fourth Proportional to 34,905.20, 48,167.76 and 18,989.71

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Solution

The fourth proportional to 34,905.20, 48,167.76 and 18,989.71 is: 26,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.20 : 48,167.76 = 18,989.71 : x
  2. Step 2: Convert to fraction form
    34,905.20/48,167.76 = 18,989.71/x
  3. Step 3: Cross multiply
    34,905.20x = 48,167.76 × 18,989.71
  4. Step 4: Simplify right side
    34,905.20x = 914,691,744.54
  5. Step 5: Solve for x
    x = 914,691,744.54/34,905.20
  6. Step 6: Final answer
    x = 26,205.03

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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.