Home / 43,718.20-65,515.23-19,967.38

Finding the Fourth Proportional to 43,718.20, 65,515.23 and 19,967.38

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Solution

The fourth proportional to 43,718.20, 65,515.23 and 19,967.38 is: 29,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718.20 : 65,515.23 = 19,967.38 : x
  2. Step 2: Convert to fraction form
    43,718.20/65,515.23 = 19,967.38/x
  3. Step 3: Cross multiply
    43,718.20x = 65,515.23 × 19,967.38
  4. Step 4: Simplify right side
    43,718.20x = 1,308,167,329.41
  5. Step 5: Solve for x
    x = 1,308,167,329.41/43,718.20
  6. Step 6: Final answer
    x = 29,922.72

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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.