Home / 31,400.26-47,100.39-10,342.42

Finding the Fourth Proportional to 31,400.26, 47,100.39 and 10,342.42

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Solution

The fourth proportional to 31,400.26, 47,100.39 and 10,342.42 is: 15,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.26 : 47,100.39 = 10,342.42 : x
  2. Step 2: Convert to fraction form
    31,400.26/47,100.39 = 10,342.42/x
  3. Step 3: Cross multiply
    31,400.26x = 47,100.39 × 10,342.42
  4. Step 4: Simplify right side
    31,400.26x = 487,132,015.54
  5. Step 5: Solve for x
    x = 487,132,015.54/31,400.26
  6. Step 6: Final answer
    x = 15,513.63

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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.