Home / 53,103.31-79,589.17-26,815.57

Finding the Fourth Proportional to 53,103.31, 79,589.17 and 26,815.57

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Solution

The fourth proportional to 53,103.31, 79,589.17 and 26,815.57 is: 40,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.31 : 79,589.17 = 26,815.57 : x
  2. Step 2: Convert to fraction form
    53,103.31/79,589.17 = 26,815.57/x
  3. Step 3: Cross multiply
    53,103.31x = 79,589.17 × 26,815.57
  4. Step 4: Simplify right side
    53,103.31x = 2,134,228,959.38
  5. Step 5: Solve for x
    x = 2,134,228,959.38/53,103.31
  6. Step 6: Final answer
    x = 40,190.13

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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.