Home / 55,949.52-77,201.28-33,289.20

Finding the Fourth Proportional to 55,949.52, 77,201.28 and 33,289.20

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Solution

The fourth proportional to 55,949.52, 77,201.28 and 33,289.20 is: 45,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.52 : 77,201.28 = 33,289.20 : x
  2. Step 2: Convert to fraction form
    55,949.52/77,201.28 = 33,289.20/x
  3. Step 3: Cross multiply
    55,949.52x = 77,201.28 × 33,289.20
  4. Step 4: Simplify right side
    55,949.52x = 2,569,968,850.18
  5. Step 5: Solve for x
    x = 2,569,968,850.18/55,949.52
  6. Step 6: Final answer
    x = 45,933.71

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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.