Home / 31,828.34-47,747.54-10,474.38

Finding the Fourth Proportional to 31,828.34, 47,747.54 and 10,474.38

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Solution

The fourth proportional to 31,828.34, 47,747.54 and 10,474.38 is: 15,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.34 : 47,747.54 = 10,474.38 : x
  2. Step 2: Convert to fraction form
    31,828.34/47,747.54 = 10,474.38/x
  3. Step 3: Cross multiply
    31,828.34x = 47,747.54 × 10,474.38
  4. Step 4: Simplify right side
    31,828.34x = 500,125,904.21
  5. Step 5: Solve for x
    x = 500,125,904.21/31,828.34
  6. Step 6: Final answer
    x = 15,713.22

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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.