Home / 31,758.12-47,628.88-15,084.99

Finding the Fourth Proportional to 31,758.12, 47,628.88 and 15,084.99

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Solution

The fourth proportional to 31,758.12, 47,628.88 and 15,084.99 is: 22,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.12 : 47,628.88 = 15,084.99 : x
  2. Step 2: Convert to fraction form
    31,758.12/47,628.88 = 15,084.99/x
  3. Step 3: Cross multiply
    31,758.12x = 47,628.88 × 15,084.99
  4. Step 4: Simplify right side
    31,758.12x = 718,481,140.80
  5. Step 5: Solve for x
    x = 718,481,140.80/31,758.12
  6. Step 6: Final answer
    x = 22,623.54

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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.