Home / 48,661.78-67,153.32-28,514.66

Finding the Fourth Proportional to 48,661.78, 67,153.32 and 28,514.66

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Solution

The fourth proportional to 48,661.78, 67,153.32 and 28,514.66 is: 39,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,661.78 : 67,153.32 = 28,514.66 : x
  2. Step 2: Convert to fraction form
    48,661.78/67,153.32 = 28,514.66/x
  3. Step 3: Cross multiply
    48,661.78x = 67,153.32 × 28,514.66
  4. Step 4: Simplify right side
    48,661.78x = 1,914,854,087.67
  5. Step 5: Solve for x
    x = 1,914,854,087.67/48,661.78
  6. Step 6: Final answer
    x = 39,350.27

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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.