Home / 30,761.49-46,156.83-18,306.12

Finding the Fourth Proportional to 30,761.49, 46,156.83 and 18,306.12

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Solution

The fourth proportional to 30,761.49, 46,156.83 and 18,306.12 is: 27,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.49 : 46,156.83 = 18,306.12 : x
  2. Step 2: Convert to fraction form
    30,761.49/46,156.83 = 18,306.12/x
  3. Step 3: Cross multiply
    30,761.49x = 46,156.83 × 18,306.12
  4. Step 4: Simplify right side
    30,761.49x = 844,952,468.80
  5. Step 5: Solve for x
    x = 844,952,468.80/30,761.49
  6. Step 6: Final answer
    x = 27,467.87

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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.