Home / 49,081.90-67,732.05-28,939.63

Finding the Fourth Proportional to 49,081.90, 67,732.05 and 28,939.63

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Solution

The fourth proportional to 49,081.90, 67,732.05 and 28,939.63 is: 39,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,081.90 : 67,732.05 = 28,939.63 : x
  2. Step 2: Convert to fraction form
    49,081.90/67,732.05 = 28,939.63/x
  3. Step 3: Cross multiply
    49,081.90x = 67,732.05 × 28,939.63
  4. Step 4: Simplify right side
    49,081.90x = 1,960,140,466.14
  5. Step 5: Solve for x
    x = 1,960,140,466.14/49,081.90
  6. Step 6: Final answer
    x = 39,936.12

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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.