Home / 31,164.04-46,754.09-8,979.15

Finding the Fourth Proportional to 31,164.04, 46,754.09 and 8,979.15

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Solution

The fourth proportional to 31,164.04, 46,754.09 and 8,979.15 is: 13,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,164.04 : 46,754.09 = 8,979.15 : x
  2. Step 2: Convert to fraction form
    31,164.04/46,754.09 = 8,979.15/x
  3. Step 3: Cross multiply
    31,164.04x = 46,754.09 × 8,979.15
  4. Step 4: Simplify right side
    31,164.04x = 419,812,201.84
  5. Step 5: Solve for x
    x = 419,812,201.84/31,164.04
  6. Step 6: Final answer
    x = 13,471.04

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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.