Home / 55,344.25-83,016.38-18,408.25

Finding the Fourth Proportional to 55,344.25, 83,016.38 and 18,408.25

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Solution

The fourth proportional to 55,344.25, 83,016.38 and 18,408.25 is: 27,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344.25 : 83,016.38 = 18,408.25 : x
  2. Step 2: Convert to fraction form
    55,344.25/83,016.38 = 18,408.25/x
  3. Step 3: Cross multiply
    55,344.25x = 83,016.38 × 18,408.25
  4. Step 4: Simplify right side
    55,344.25x = 1,528,186,277.14
  5. Step 5: Solve for x
    x = 1,528,186,277.14/55,344.25
  6. Step 6: Final answer
    x = 27,612.38

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1.5x scale

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.