Home / 43,375.07-65,061.52-20,001.49

Finding the Fourth Proportional to 43,375.07, 65,061.52 and 20,001.49

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Solution

The fourth proportional to 43,375.07, 65,061.52 and 20,001.49 is: 30,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.07 : 65,061.52 = 20,001.49 : x
  2. Step 2: Convert to fraction form
    43,375.07/65,061.52 = 20,001.49/x
  3. Step 3: Cross multiply
    43,375.07x = 65,061.52 × 20,001.49
  4. Step 4: Simplify right side
    43,375.07x = 1,301,327,341.66
  5. Step 5: Solve for x
    x = 1,301,327,341.66/43,375.07
  6. Step 6: Final answer
    x = 30,001.73

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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.