Home / 31,816.49-47,724.86-10,756.64

Finding the Fourth Proportional to 31,816.49, 47,724.86 and 10,756.64

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Solution

The fourth proportional to 31,816.49, 47,724.86 and 10,756.64 is: 16,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.49 : 47,724.86 = 10,756.64 : x
  2. Step 2: Convert to fraction form
    31,816.49/47,724.86 = 10,756.64/x
  3. Step 3: Cross multiply
    31,816.49x = 47,724.86 × 10,756.64
  4. Step 4: Simplify right side
    31,816.49x = 513,359,284.27
  5. Step 5: Solve for x
    x = 513,359,284.27/31,816.49
  6. Step 6: Final answer
    x = 16,135.01

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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.