Home / 31,398.09-47,103.14-10,344.23

Finding the Fourth Proportional to 31,398.09, 47,103.14 and 10,344.23

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Solution

The fourth proportional to 31,398.09, 47,103.14 and 10,344.23 is: 15,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.09 : 47,103.14 = 10,344.23 : x
  2. Step 2: Convert to fraction form
    31,398.09/47,103.14 = 10,344.23/x
  3. Step 3: Cross multiply
    31,398.09x = 47,103.14 × 10,344.23
  4. Step 4: Simplify right side
    31,398.09x = 487,245,713.88
  5. Step 5: Solve for x
    x = 487,245,713.88/31,398.09
  6. Step 6: Final answer
    x = 15,518.32

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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.