Home / 43,340.69-65,021.02-18,381.71

Finding the Fourth Proportional to 43,340.69, 65,021.02 and 18,381.71

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Solution

The fourth proportional to 43,340.69, 65,021.02 and 18,381.71 is: 27,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.69 : 65,021.02 = 18,381.71 : x
  2. Step 2: Convert to fraction form
    43,340.69/65,021.02 = 18,381.71/x
  3. Step 3: Cross multiply
    43,340.69x = 65,021.02 × 18,381.71
  4. Step 4: Simplify right side
    43,340.69x = 1,195,197,650.14
  5. Step 5: Solve for x
    x = 1,195,197,650.14/43,340.69
  6. Step 6: Final answer
    x = 27,576.80

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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.