Home / 49,392.08-68,160.37-28,171.70

Finding the Fourth Proportional to 49,392.08, 68,160.37 and 28,171.70

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Solution

The fourth proportional to 49,392.08, 68,160.37 and 28,171.70 is: 38,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,392.08 : 68,160.37 = 28,171.70 : x
  2. Step 2: Convert to fraction form
    49,392.08/68,160.37 = 28,171.70/x
  3. Step 3: Cross multiply
    49,392.08x = 68,160.37 × 28,171.70
  4. Step 4: Simplify right side
    49,392.08x = 1,920,193,495.53
  5. Step 5: Solve for x
    x = 1,920,193,495.53/49,392.08
  6. Step 6: Final answer
    x = 38,876.55

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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.