Home / 31,436.72-47,163.16-9,250.84

Finding the Fourth Proportional to 31,436.72, 47,163.16 and 9,250.84

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Solution

The fourth proportional to 31,436.72, 47,163.16 and 9,250.84 is: 13,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.72 : 47,163.16 = 9,250.84 : x
  2. Step 2: Convert to fraction form
    31,436.72/47,163.16 = 9,250.84/x
  3. Step 3: Cross multiply
    31,436.72x = 47,163.16 × 9,250.84
  4. Step 4: Simplify right side
    31,436.72x = 436,298,847.05
  5. Step 5: Solve for x
    x = 436,298,847.05/31,436.72
  6. Step 6: Final answer
    x = 13,878.64

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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.