Home / 43,719.38-65,571.15-12,547.22

Finding the Fourth Proportional to 43,719.38, 65,571.15 and 12,547.22

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Solution

The fourth proportional to 43,719.38, 65,571.15 and 12,547.22 is: 18,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,719.38 : 65,571.15 = 12,547.22 : x
  2. Step 2: Convert to fraction form
    43,719.38/65,571.15 = 12,547.22/x
  3. Step 3: Cross multiply
    43,719.38x = 65,571.15 × 12,547.22
  4. Step 4: Simplify right side
    43,719.38x = 822,735,644.70
  5. Step 5: Solve for x
    x = 822,735,644.70/43,719.38
  6. Step 6: Final answer
    x = 18,818.56

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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.