Home / 31,885.52-47,834.09-10,539.46

Finding the Fourth Proportional to 31,885.52, 47,834.09 and 10,539.46

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Solution

The fourth proportional to 31,885.52, 47,834.09 and 10,539.46 is: 15,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.52 : 47,834.09 = 10,539.46 : x
  2. Step 2: Convert to fraction form
    31,885.52/47,834.09 = 10,539.46/x
  3. Step 3: Cross multiply
    31,885.52x = 47,834.09 × 10,539.46
  4. Step 4: Simplify right side
    31,885.52x = 504,145,478.19
  5. Step 5: Solve for x
    x = 504,145,478.19/31,885.52
  6. Step 6: Final answer
    x = 15,811.11

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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.