Home / 43,568.47-65,344.84-11,547.75

Finding the Fourth Proportional to 43,568.47, 65,344.84 and 11,547.75

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Solution

The fourth proportional to 43,568.47, 65,344.84 and 11,547.75 is: 17,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.47 : 65,344.84 = 11,547.75 : x
  2. Step 2: Convert to fraction form
    43,568.47/65,344.84 = 11,547.75/x
  3. Step 3: Cross multiply
    43,568.47x = 65,344.84 × 11,547.75
  4. Step 4: Simplify right side
    43,568.47x = 754,585,876.11
  5. Step 5: Solve for x
    x = 754,585,876.11/43,568.47
  6. Step 6: Final answer
    x = 17,319.54

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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.