Home / 31,376.05-47,064.65-11,399.73

Finding the Fourth Proportional to 31,376.05, 47,064.65 and 11,399.73

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Solution

The fourth proportional to 31,376.05, 47,064.65 and 11,399.73 is: 17,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.05 : 47,064.65 = 11,399.73 : x
  2. Step 2: Convert to fraction form
    31,376.05/47,064.65 = 11,399.73/x
  3. Step 3: Cross multiply
    31,376.05x = 47,064.65 × 11,399.73
  4. Step 4: Simplify right side
    31,376.05x = 536,524,302.54
  5. Step 5: Solve for x
    x = 536,524,302.54/31,376.05
  6. Step 6: Final answer
    x = 17,099.80

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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.