Home / 51,853.10-77,762.35-20,254.97

Finding the Fourth Proportional to 51,853.10, 77,762.35 and 20,254.97

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Solution

The fourth proportional to 51,853.10, 77,762.35 and 20,254.97 is: 30,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.10 : 77,762.35 = 20,254.97 : x
  2. Step 2: Convert to fraction form
    51,853.10/77,762.35 = 20,254.97/x
  3. Step 3: Cross multiply
    51,853.10x = 77,762.35 × 20,254.97
  4. Step 4: Simplify right side
    51,853.10x = 1,575,073,626.93
  5. Step 5: Solve for x
    x = 1,575,073,626.93/51,853.10
  6. Step 6: Final answer
    x = 30,375.69

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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.