Home / 31,816.36-47,724.66-10,756.56

Finding the Fourth Proportional to 31,816.36, 47,724.66 and 10,756.56

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Solution

The fourth proportional to 31,816.36, 47,724.66 and 10,756.56 is: 16,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.36 : 47,724.66 = 10,756.56 : x
  2. Step 2: Convert to fraction form
    31,816.36/47,724.66 = 10,756.56/x
  3. Step 3: Cross multiply
    31,816.36x = 47,724.66 × 10,756.56
  4. Step 4: Simplify right side
    31,816.36x = 513,353,168.77
  5. Step 5: Solve for x
    x = 513,353,168.77/31,816.36
  6. Step 6: Final answer
    x = 16,134.88

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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.