Home / 32,568.85-48,819.08-20,731.69

Finding the Fourth Proportional to 32,568.85, 48,819.08 and 20,731.69

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Solution

The fourth proportional to 32,568.85, 48,819.08 and 20,731.69 is: 31,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,568.85 : 48,819.08 = 20,731.69 : x
  2. Step 2: Convert to fraction form
    32,568.85/48,819.08 = 20,731.69/x
  3. Step 3: Cross multiply
    32,568.85x = 48,819.08 × 20,731.69
  4. Step 4: Simplify right side
    32,568.85x = 1,012,101,928.99
  5. Step 5: Solve for x
    x = 1,012,101,928.99/32,568.85
  6. Step 6: Final answer
    x = 31,075.77

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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.