Home / 52,217.46-78,262.04-20,595.78

Finding the Fourth Proportional to 52,217.46, 78,262.04 and 20,595.78

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Solution

The fourth proportional to 52,217.46, 78,262.04 and 20,595.78 is: 30,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217.46 : 78,262.04 = 20,595.78 : x
  2. Step 2: Convert to fraction form
    52,217.46/78,262.04 = 20,595.78/x
  3. Step 3: Cross multiply
    52,217.46x = 78,262.04 × 20,595.78
  4. Step 4: Simplify right side
    52,217.46x = 1,611,867,758.19
  5. Step 5: Solve for x
    x = 1,611,867,758.19/52,217.46
  6. Step 6: Final answer
    x = 30,868.37

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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.