Home / 55,800.55-77,021.82-33,143.23

Finding the Fourth Proportional to 55,800.55, 77,021.82 and 33,143.23

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Solution

The fourth proportional to 55,800.55, 77,021.82 and 33,143.23 is: 45,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.55 : 77,021.82 = 33,143.23 : x
  2. Step 2: Convert to fraction form
    55,800.55/77,021.82 = 33,143.23/x
  3. Step 3: Cross multiply
    55,800.55x = 77,021.82 × 33,143.23
  4. Step 4: Simplify right side
    55,800.55x = 2,552,751,895.28
  5. Step 5: Solve for x
    x = 2,552,751,895.28/55,800.55
  6. Step 6: Final answer
    x = 45,747.79

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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.