Home / 43,674.47-65,456.99-18,685.26

Finding the Fourth Proportional to 43,674.47, 65,456.99 and 18,685.26

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Solution

The fourth proportional to 43,674.47, 65,456.99 and 18,685.26 is: 28,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.47 : 65,456.99 = 18,685.26 : x
  2. Step 2: Convert to fraction form
    43,674.47/65,456.99 = 18,685.26/x
  3. Step 3: Cross multiply
    43,674.47x = 65,456.99 × 18,685.26
  4. Step 4: Simplify right side
    43,674.47x = 1,223,080,616.96
  5. Step 5: Solve for x
    x = 1,223,080,616.96/43,674.47
  6. Step 6: Final answer
    x = 28,004.48

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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.