Home / 55,399.89-76,452.45-30,249.39

Finding the Fourth Proportional to 55,399.89, 76,452.45 and 30,249.39

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Solution

The fourth proportional to 55,399.89, 76,452.45 and 30,249.39 is: 41,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399.89 : 76,452.45 = 30,249.39 : x
  2. Step 2: Convert to fraction form
    55,399.89/76,452.45 = 30,249.39/x
  3. Step 3: Cross multiply
    55,399.89x = 76,452.45 × 30,249.39
  4. Step 4: Simplify right side
    55,399.89x = 2,312,639,976.51
  5. Step 5: Solve for x
    x = 2,312,639,976.51/55,399.89
  6. Step 6: Final answer
    x = 41,744.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.