Home / 32,834.08-49,126.56-20,138.56

Finding the Fourth Proportional to 32,834.08, 49,126.56 and 20,138.56

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Solution

The fourth proportional to 32,834.08, 49,126.56 and 20,138.56 is: 30,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,834.08 : 49,126.56 = 20,138.56 : x
  2. Step 2: Convert to fraction form
    32,834.08/49,126.56 = 20,138.56/x
  3. Step 3: Cross multiply
    32,834.08x = 49,126.56 × 20,138.56
  4. Step 4: Simplify right side
    32,834.08x = 989,338,176.15
  5. Step 5: Solve for x
    x = 989,338,176.15/32,834.08
  6. Step 6: Final answer
    x = 30,131.44

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1.5x scale

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.