Home / 31,666.77-47,499.62-10,889.73

Finding the Fourth Proportional to 31,666.77, 47,499.62 and 10,889.73

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Solution

The fourth proportional to 31,666.77, 47,499.62 and 10,889.73 is: 16,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,666.77 : 47,499.62 = 10,889.73 : x
  2. Step 2: Convert to fraction form
    31,666.77/47,499.62 = 10,889.73/x
  3. Step 3: Cross multiply
    31,666.77x = 47,499.62 × 10,889.73
  4. Step 4: Simplify right side
    31,666.77x = 517,257,982.45
  5. Step 5: Solve for x
    x = 517,257,982.45/31,666.77
  6. Step 6: Final answer
    x = 16,334.41

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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.