Home / 43,500.09-65,259.86-13,919.70

Finding the Fourth Proportional to 43,500.09, 65,259.86 and 13,919.70

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Solution

The fourth proportional to 43,500.09, 65,259.86 and 13,919.70 is: 20,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,500.09 : 65,259.86 = 13,919.70 : x
  2. Step 2: Convert to fraction form
    43,500.09/65,259.86 = 13,919.70/x
  3. Step 3: Cross multiply
    43,500.09x = 65,259.86 × 13,919.70
  4. Step 4: Simplify right side
    43,500.09x = 908,397,673.24
  5. Step 5: Solve for x
    x = 908,397,673.24/43,500.09
  6. Step 6: Final answer
    x = 20,882.66

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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.