Home / 49,042.40-67,676.51-27,821.21

Finding the Fourth Proportional to 49,042.40, 67,676.51 and 27,821.21

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Solution

The fourth proportional to 49,042.40, 67,676.51 and 27,821.21 is: 38,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,042.40 : 67,676.51 = 27,821.21 : x
  2. Step 2: Convert to fraction form
    49,042.40/67,676.51 = 27,821.21/x
  3. Step 3: Cross multiply
    49,042.40x = 67,676.51 × 27,821.21
  4. Step 4: Simplify right side
    49,042.40x = 1,882,841,919.29
  5. Step 5: Solve for x
    x = 1,882,841,919.29/49,042.40
  6. Step 6: Final answer
    x = 38,392.13

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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.