Home / 31,815.36-47,723.17-10,755.57

Finding the Fourth Proportional to 31,815.36, 47,723.17 and 10,755.57

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Solution

The fourth proportional to 31,815.36, 47,723.17 and 10,755.57 is: 16,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.36 : 47,723.17 = 10,755.57 : x
  2. Step 2: Convert to fraction form
    31,815.36/47,723.17 = 10,755.57/x
  3. Step 3: Cross multiply
    31,815.36x = 47,723.17 × 10,755.57
  4. Step 4: Simplify right side
    31,815.36x = 513,289,895.56
  5. Step 5: Solve for x
    x = 513,289,895.56/31,815.36
  6. Step 6: Final answer
    x = 16,133.40

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1.5x scale

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.