Home / 43,205.11-64,816.71-18,245.23

Finding the Fourth Proportional to 43,205.11, 64,816.71 and 18,245.23

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Solution

The fourth proportional to 43,205.11, 64,816.71 and 18,245.23 is: 27,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205.11 : 64,816.71 = 18,245.23 : x
  2. Step 2: Convert to fraction form
    43,205.11/64,816.71 = 18,245.23/x
  3. Step 3: Cross multiply
    43,205.11x = 64,816.71 × 18,245.23
  4. Step 4: Simplify right side
    43,205.11x = 1,182,595,781.79
  5. Step 5: Solve for x
    x = 1,182,595,781.79/43,205.11
  6. Step 6: Final answer
    x = 27,371.66

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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.