Home / 31,400.26-47,099.75-9,213.14

Finding the Fourth Proportional to 31,400.26, 47,099.75 and 9,213.14

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Solution

The fourth proportional to 31,400.26, 47,099.75 and 9,213.14 is: 13,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.26 : 47,099.75 = 9,213.14 : x
  2. Step 2: Convert to fraction form
    31,400.26/47,099.75 = 9,213.14/x
  3. Step 3: Cross multiply
    31,400.26x = 47,099.75 × 9,213.14
  4. Step 4: Simplify right side
    31,400.26x = 433,936,662.40
  5. Step 5: Solve for x
    x = 433,936,662.40/31,400.26
  6. Step 6: Final answer
    x = 13,819.53

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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.