Home / 30,049.38-45,008.46-18,327.06

Finding the Fourth Proportional to 30,049.38, 45,008.46 and 18,327.06

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Solution

The fourth proportional to 30,049.38, 45,008.46 and 18,327.06 is: 27,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.38 : 45,008.46 = 18,327.06 : x
  2. Step 2: Convert to fraction form
    30,049.38/45,008.46 = 18,327.06/x
  3. Step 3: Cross multiply
    30,049.38x = 45,008.46 × 18,327.06
  4. Step 4: Simplify right side
    30,049.38x = 824,872,746.93
  5. Step 5: Solve for x
    x = 824,872,746.93/30,049.38
  6. Step 6: Final answer
    x = 27,450.57

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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.