Home / 30,659.38-45,993.51-10,936.18

Finding the Fourth Proportional to 30,659.38, 45,993.51 and 10,936.18

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Solution

The fourth proportional to 30,659.38, 45,993.51 and 10,936.18 is: 16,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.38 : 45,993.51 = 10,936.18 : x
  2. Step 2: Convert to fraction form
    30,659.38/45,993.51 = 10,936.18/x
  3. Step 3: Cross multiply
    30,659.38x = 45,993.51 × 10,936.18
  4. Step 4: Simplify right side
    30,659.38x = 502,993,304.19
  5. Step 5: Solve for x
    x = 502,993,304.19/30,659.38
  6. Step 6: Final answer
    x = 16,405.85

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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.