Home / 49,062.45-67,720.68-28,925.85

Finding the Fourth Proportional to 49,062.45, 67,720.68 and 28,925.85

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Solution

The fourth proportional to 49,062.45, 67,720.68 and 28,925.85 is: 39,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,062.45 : 67,720.68 = 28,925.85 : x
  2. Step 2: Convert to fraction form
    49,062.45/67,720.68 = 28,925.85/x
  3. Step 3: Cross multiply
    49,062.45x = 67,720.68 × 28,925.85
  4. Step 4: Simplify right side
    49,062.45x = 1,958,878,231.58
  5. Step 5: Solve for x
    x = 1,958,878,231.58/49,062.45
  6. Step 6: Final answer
    x = 39,926.22

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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.