Home / 30,939.17-46,410.61-8,754.23

Finding the Fourth Proportional to 30,939.17, 46,410.61 and 8,754.23

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Solution

The fourth proportional to 30,939.17, 46,410.61 and 8,754.23 is: 13,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939.17 : 46,410.61 = 8,754.23 : x
  2. Step 2: Convert to fraction form
    30,939.17/46,410.61 = 8,754.23/x
  3. Step 3: Cross multiply
    30,939.17x = 46,410.61 × 8,754.23
  4. Step 4: Simplify right side
    30,939.17x = 406,288,900.44
  5. Step 5: Solve for x
    x = 406,288,900.44/30,939.17
  6. Step 6: Final answer
    x = 13,131.86

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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.