Home / 48,678.35-67,170.37-28,255.69

Finding the Fourth Proportional to 48,678.35, 67,170.37 and 28,255.69

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Solution

The fourth proportional to 48,678.35, 67,170.37 and 28,255.69 is: 38,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.35 : 67,170.37 = 28,255.69 : x
  2. Step 2: Convert to fraction form
    48,678.35/67,170.37 = 28,255.69/x
  3. Step 3: Cross multiply
    48,678.35x = 67,170.37 × 28,255.69
  4. Step 4: Simplify right side
    48,678.35x = 1,897,945,151.91
  5. Step 5: Solve for x
    x = 1,897,945,151.91/48,678.35
  6. Step 6: Final answer
    x = 38,989.51

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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.