Home / 52,228.25-78,328.98-20,200.85

Finding the Fourth Proportional to 52,228.25, 78,328.98 and 20,200.85

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Solution

The fourth proportional to 52,228.25, 78,328.98 and 20,200.85 is: 30,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.25 : 78,328.98 = 20,200.85 : x
  2. Step 2: Convert to fraction form
    52,228.25/78,328.98 = 20,200.85/x
  3. Step 3: Cross multiply
    52,228.25x = 78,328.98 × 20,200.85
  4. Step 4: Simplify right side
    52,228.25x = 1,582,311,975.63
  5. Step 5: Solve for x
    x = 1,582,311,975.63/52,228.25
  6. Step 6: Final answer
    x = 30,296.09

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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.