Home / 55,976.56-83,964.72-38,393.08

Finding the Fourth Proportional to 55,976.56, 83,964.72 and 38,393.08

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Solution

The fourth proportional to 55,976.56, 83,964.72 and 38,393.08 is: 57,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,976.56 : 83,964.72 = 38,393.08 : x
  2. Step 2: Convert to fraction form
    55,976.56/83,964.72 = 38,393.08/x
  3. Step 3: Cross multiply
    55,976.56x = 83,964.72 × 38,393.08
  4. Step 4: Simplify right side
    55,976.56x = 3,223,664,212.14
  5. Step 5: Solve for x
    x = 3,223,664,212.14/55,976.56
  6. Step 6: Final answer
    x = 57,589.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.