Home / 31,623.39-47,443.28-16,820.13

Finding the Fourth Proportional to 31,623.39, 47,443.28 and 16,820.13

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Solution

The fourth proportional to 31,623.39, 47,443.28 and 16,820.13 is: 25,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.39 : 47,443.28 = 16,820.13 : x
  2. Step 2: Convert to fraction form
    31,623.39/47,443.28 = 16,820.13/x
  3. Step 3: Cross multiply
    31,623.39x = 47,443.28 × 16,820.13
  4. Step 4: Simplify right side
    31,623.39x = 798,002,137.23
  5. Step 5: Solve for x
    x = 798,002,137.23/31,623.39
  6. Step 6: Final answer
    x = 25,234.55

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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.