Home / 43,568.12-65,346.02-13,982.11

Finding the Fourth Proportional to 43,568.12, 65,346.02 and 13,982.11

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Solution

The fourth proportional to 43,568.12, 65,346.02 and 13,982.11 is: 20,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.12 : 65,346.02 = 13,982.11 : x
  2. Step 2: Convert to fraction form
    43,568.12/65,346.02 = 13,982.11/x
  3. Step 3: Cross multiply
    43,568.12x = 65,346.02 × 13,982.11
  4. Step 4: Simplify right side
    43,568.12x = 913,675,016.12
  5. Step 5: Solve for x
    x = 913,675,016.12/43,568.12
  6. Step 6: Final answer
    x = 20,971.19

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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.