Home / 31,400.75-47,091.75-10,336.91

Finding the Fourth Proportional to 31,400.75, 47,091.75 and 10,336.91

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Solution

The fourth proportional to 31,400.75, 47,091.75 and 10,336.91 is: 15,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.75 : 47,091.75 = 10,336.91 : x
  2. Step 2: Convert to fraction form
    31,400.75/47,091.75 = 10,336.91/x
  3. Step 3: Cross multiply
    31,400.75x = 47,091.75 × 10,336.91
  4. Step 4: Simplify right side
    31,400.75x = 486,782,946.03
  5. Step 5: Solve for x
    x = 486,782,946.03/31,400.75
  6. Step 6: Final answer
    x = 15,502.27

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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.