Home / 48,860.97-67,429.77-28,717.56

Finding the Fourth Proportional to 48,860.97, 67,429.77 and 28,717.56

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Solution

The fourth proportional to 48,860.97, 67,429.77 and 28,717.56 is: 39,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.97 : 67,429.77 = 28,717.56 : x
  2. Step 2: Convert to fraction form
    48,860.97/67,429.77 = 28,717.56/x
  3. Step 3: Cross multiply
    48,860.97x = 67,429.77 × 28,717.56
  4. Step 4: Simplify right side
    48,860.97x = 1,936,418,465.76
  5. Step 5: Solve for x
    x = 1,936,418,465.76/48,860.97
  6. Step 6: Final answer
    x = 39,631.19

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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.