Home / 55,896.25-77,137.83-30,403.18

Finding the Fourth Proportional to 55,896.25, 77,137.83 and 30,403.18

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Solution

The fourth proportional to 55,896.25, 77,137.83 and 30,403.18 is: 41,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,896.25 : 77,137.83 = 30,403.18 : x
  2. Step 2: Convert to fraction form
    55,896.25/77,137.83 = 30,403.18/x
  3. Step 3: Cross multiply
    55,896.25x = 77,137.83 × 30,403.18
  4. Step 4: Simplify right side
    55,896.25x = 2,345,235,330.30
  5. Step 5: Solve for x
    x = 2,345,235,330.30/55,896.25
  6. Step 6: Final answer
    x = 41,956.94

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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.