Home / 51,627.85-77,469.98-20,039.15

Finding the Fourth Proportional to 51,627.85, 77,469.98 and 20,039.15

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Solution

The fourth proportional to 51,627.85, 77,469.98 and 20,039.15 is: 30,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.85 : 77,469.98 = 20,039.15 : x
  2. Step 2: Convert to fraction form
    51,627.85/77,469.98 = 20,039.15/x
  3. Step 3: Cross multiply
    51,627.85x = 77,469.98 × 20,039.15
  4. Step 4: Simplify right side
    51,627.85x = 1,552,432,643.20
  5. Step 5: Solve for x
    x = 1,552,432,643.20/51,627.85
  6. Step 6: Final answer
    x = 30,069.68

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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.