Home / 55,542.89-76,648.87-30,049.19

Finding the Fourth Proportional to 55,542.89, 76,648.87 and 30,049.19

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Solution

The fourth proportional to 55,542.89, 76,648.87 and 30,049.19 is: 41,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.89 : 76,648.87 = 30,049.19 : x
  2. Step 2: Convert to fraction form
    55,542.89/76,648.87 = 30,049.19/x
  3. Step 3: Cross multiply
    55,542.89x = 76,648.87 × 30,049.19
  4. Step 4: Simplify right side
    55,542.89x = 2,303,235,999.55
  5. Step 5: Solve for x
    x = 2,303,235,999.55/55,542.89
  6. Step 6: Final answer
    x = 41,467.70

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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.