Home / 31,836.06-47,721.23-10,769.17

Finding the Fourth Proportional to 31,836.06, 47,721.23 and 10,769.17

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Solution

The fourth proportional to 31,836.06, 47,721.23 and 10,769.17 is: 16,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.06 : 47,721.23 = 10,769.17 : x
  2. Step 2: Convert to fraction form
    31,836.06/47,721.23 = 10,769.17/x
  3. Step 3: Cross multiply
    31,836.06x = 47,721.23 × 10,769.17
  4. Step 4: Simplify right side
    31,836.06x = 513,918,038.48
  5. Step 5: Solve for x
    x = 513,918,038.48/31,836.06
  6. Step 6: Final answer
    x = 16,142.64

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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.