Home / 31,828.83-47,744.75-10,482.90

Finding the Fourth Proportional to 31,828.83, 47,744.75 and 10,482.90

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Solution

The fourth proportional to 31,828.83, 47,744.75 and 10,482.90 is: 15,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.83 : 47,744.75 = 10,482.90 : x
  2. Step 2: Convert to fraction form
    31,828.83/47,744.75 = 10,482.90/x
  3. Step 3: Cross multiply
    31,828.83x = 47,744.75 × 10,482.90
  4. Step 4: Simplify right side
    31,828.83x = 500,503,439.78
  5. Step 5: Solve for x
    x = 500,503,439.78/31,828.83
  6. Step 6: Final answer
    x = 15,724.85

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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.