Home / 35,694.20-49,255.29-19,778.31

Finding the Fourth Proportional to 35,694.20, 49,255.29 and 19,778.31

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Solution

The fourth proportional to 35,694.20, 49,255.29 and 19,778.31 is: 27,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.20 : 49,255.29 = 19,778.31 : x
  2. Step 2: Convert to fraction form
    35,694.20/49,255.29 = 19,778.31/x
  3. Step 3: Cross multiply
    35,694.20x = 49,255.29 × 19,778.31
  4. Step 4: Simplify right side
    35,694.20x = 974,186,394.76
  5. Step 5: Solve for x
    x = 974,186,394.76/35,694.20
  6. Step 6: Final answer
    x = 27,292.57

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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.