Home / 51,692.90-77,502.86-20,076.62

Finding the Fourth Proportional to 51,692.90, 77,502.86 and 20,076.62

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Solution

The fourth proportional to 51,692.90, 77,502.86 and 20,076.62 is: 30,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,692.90 : 77,502.86 = 20,076.62 : x
  2. Step 2: Convert to fraction form
    51,692.90/77,502.86 = 20,076.62/x
  3. Step 3: Cross multiply
    51,692.90x = 77,502.86 × 20,076.62
  4. Step 4: Simplify right side
    51,692.90x = 1,555,994,981.24
  5. Step 5: Solve for x
    x = 1,555,994,981.24/51,692.90
  6. Step 6: Final answer
    x = 30,100.75

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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.