Home / 43,079.55-64,619.28-13,499.69

Finding the Fourth Proportional to 43,079.55, 64,619.28 and 13,499.69

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Solution

The fourth proportional to 43,079.55, 64,619.28 and 13,499.69 is: 20,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.55 : 64,619.28 = 13,499.69 : x
  2. Step 2: Convert to fraction form
    43,079.55/64,619.28 = 13,499.69/x
  3. Step 3: Cross multiply
    43,079.55x = 64,619.28 × 13,499.69
  4. Step 4: Simplify right side
    43,079.55x = 872,339,924.93
  5. Step 5: Solve for x
    x = 872,339,924.93/43,079.55
  6. Step 6: Final answer
    x = 20,249.51

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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.