Home / 53,098.20-79,696.56-26,821.38

Finding the Fourth Proportional to 53,098.20, 79,696.56 and 26,821.38

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Solution

The fourth proportional to 53,098.20, 79,696.56 and 26,821.38 is: 40,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,098.20 : 79,696.56 = 26,821.38 : x
  2. Step 2: Convert to fraction form
    53,098.20/79,696.56 = 26,821.38/x
  3. Step 3: Cross multiply
    53,098.20x = 79,696.56 × 26,821.38
  4. Step 4: Simplify right side
    53,098.20x = 2,137,571,720.45
  5. Step 5: Solve for x
    x = 2,137,571,720.45/53,098.20
  6. Step 6: Final answer
    x = 40,256.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.