Home / 43,139.99-64,733.24-18,197.33

Finding the Fourth Proportional to 43,139.99, 64,733.24 and 18,197.33

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Solution

The fourth proportional to 43,139.99, 64,733.24 and 18,197.33 is: 27,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,139.99 : 64,733.24 = 18,197.33 : x
  2. Step 2: Convert to fraction form
    43,139.99/64,733.24 = 18,197.33/x
  3. Step 3: Cross multiply
    43,139.99x = 64,733.24 × 18,197.33
  4. Step 4: Simplify right side
    43,139.99x = 1,177,971,852.08
  5. Step 5: Solve for x
    x = 1,177,971,852.08/43,139.99
  6. Step 6: Final answer
    x = 27,305.80

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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.