Home / 37,540.78-51,806.26-20,545.03

Finding the Fourth Proportional to 37,540.78, 51,806.26 and 20,545.03

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Solution

The fourth proportional to 37,540.78, 51,806.26 and 20,545.03 is: 28,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,540.78 : 51,806.26 = 20,545.03 : x
  2. Step 2: Convert to fraction form
    37,540.78/51,806.26 = 20,545.03/x
  3. Step 3: Cross multiply
    37,540.78x = 51,806.26 × 20,545.03
  4. Step 4: Simplify right side
    37,540.78x = 1,064,361,165.89
  5. Step 5: Solve for x
    x = 1,064,361,165.89/37,540.78
  6. Step 6: Final answer
    x = 28,352.13

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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.