Home / 53,516.29-80,290.63-20,246.55

Finding the Fourth Proportional to 53,516.29, 80,290.63 and 20,246.55

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Solution

The fourth proportional to 53,516.29, 80,290.63 and 20,246.55 is: 30,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,516.29 : 80,290.63 = 20,246.55 : x
  2. Step 2: Convert to fraction form
    53,516.29/80,290.63 = 20,246.55/x
  3. Step 3: Cross multiply
    53,516.29x = 80,290.63 × 20,246.55
  4. Step 4: Simplify right side
    53,516.29x = 1,625,608,254.83
  5. Step 5: Solve for x
    x = 1,625,608,254.83/53,516.29
  6. Step 6: Final answer
    x = 30,375.95

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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.