Home / 43,987.26-65,979.96-10,707.51

Finding the Fourth Proportional to 43,987.26, 65,979.96 and 10,707.51

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Solution

The fourth proportional to 43,987.26, 65,979.96 and 10,707.51 is: 16,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987.26 : 65,979.96 = 10,707.51 : x
  2. Step 2: Convert to fraction form
    43,987.26/65,979.96 = 10,707.51/x
  3. Step 3: Cross multiply
    43,987.26x = 65,979.96 × 10,707.51
  4. Step 4: Simplify right side
    43,987.26x = 706,481,081.50
  5. Step 5: Solve for x
    x = 706,481,081.50/43,987.26
  6. Step 6: Final answer
    x = 16,061.04

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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.