Home / 31,500.24-47,221.32-10,709.28

Finding the Fourth Proportional to 31,500.24, 47,221.32 and 10,709.28

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Solution

The fourth proportional to 31,500.24, 47,221.32 and 10,709.28 is: 16,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.24 : 47,221.32 = 10,709.28 : x
  2. Step 2: Convert to fraction form
    31,500.24/47,221.32 = 10,709.28/x
  3. Step 3: Cross multiply
    31,500.24x = 47,221.32 × 10,709.28
  4. Step 4: Simplify right side
    31,500.24x = 505,706,337.85
  5. Step 5: Solve for x
    x = 505,706,337.85/31,500.24
  6. Step 6: Final answer
    x = 16,054.05

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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.