Home / 49,393.08-68,161.76-28,172.68

Finding the Fourth Proportional to 49,393.08, 68,161.76 and 28,172.68

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Solution

The fourth proportional to 49,393.08, 68,161.76 and 28,172.68 is: 38,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,393.08 : 68,161.76 = 28,172.68 : x
  2. Step 2: Convert to fraction form
    49,393.08/68,161.76 = 28,172.68/x
  3. Step 3: Cross multiply
    49,393.08x = 68,161.76 × 28,172.68
  4. Step 4: Simplify right side
    49,393.08x = 1,920,299,452.72
  5. Step 5: Solve for x
    x = 1,920,299,452.72/49,393.08
  6. Step 6: Final answer
    x = 38,877.90

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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.