Home / 52,120.20-78,180.36-36,607.08

Finding the Fourth Proportional to 52,120.20, 78,180.36 and 36,607.08

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Solution

The fourth proportional to 52,120.20, 78,180.36 and 36,607.08 is: 54,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.20 : 78,180.36 = 36,607.08 : x
  2. Step 2: Convert to fraction form
    52,120.20/78,180.36 = 36,607.08/x
  3. Step 3: Cross multiply
    52,120.20x = 78,180.36 × 36,607.08
  4. Step 4: Simplify right side
    52,120.20x = 2,861,954,692.95
  5. Step 5: Solve for x
    x = 2,861,954,692.95/52,120.20
  6. Step 6: Final answer
    x = 54,910.66

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1.5x scale

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.