Home / 43,501.05-65,249.15-11,908.80

Finding the Fourth Proportional to 43,501.05, 65,249.15 and 11,908.80

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Solution

The fourth proportional to 43,501.05, 65,249.15 and 11,908.80 is: 17,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.05 : 65,249.15 = 11,908.80 : x
  2. Step 2: Convert to fraction form
    43,501.05/65,249.15 = 11,908.80/x
  3. Step 3: Cross multiply
    43,501.05x = 65,249.15 × 11,908.80
  4. Step 4: Simplify right side
    43,501.05x = 777,039,017.98
  5. Step 5: Solve for x
    x = 777,039,017.98/43,501.05
  6. Step 6: Final answer
    x = 17,862.53

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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.