Home / 30,801.28-45,979.13-27,064.57

Finding the Fourth Proportional to 30,801.28, 45,979.13 and 27,064.57

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Solution

The fourth proportional to 30,801.28, 45,979.13 and 27,064.57 is: 40,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.28 : 45,979.13 = 27,064.57 : x
  2. Step 2: Convert to fraction form
    30,801.28/45,979.13 = 27,064.57/x
  3. Step 3: Cross multiply
    30,801.28x = 45,979.13 × 27,064.57
  4. Step 4: Simplify right side
    30,801.28x = 1,244,405,382.42
  5. Step 5: Solve for x
    x = 1,244,405,382.42/30,801.28
  6. Step 6: Final answer
    x = 40,401.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.