Home / 38,013.17-56,975.94-20,446.07

Finding the Fourth Proportional to 38,013.17, 56,975.94 and 20,446.07

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Solution

The fourth proportional to 38,013.17, 56,975.94 and 20,446.07 is: 30,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.17 : 56,975.94 = 20,446.07 : x
  2. Step 2: Convert to fraction form
    38,013.17/56,975.94 = 20,446.07/x
  3. Step 3: Cross multiply
    38,013.17x = 56,975.94 × 20,446.07
  4. Step 4: Simplify right side
    38,013.17x = 1,164,933,772.68
  5. Step 5: Solve for x
    x = 1,164,933,772.68/38,013.17
  6. Step 6: Final answer
    x = 30,645.53

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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.