Home / 55,342.26-82,964.08-20,273.72

Finding the Fourth Proportional to 55,342.26, 82,964.08 and 20,273.72

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Solution

The fourth proportional to 55,342.26, 82,964.08 and 20,273.72 is: 30,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.26 : 82,964.08 = 20,273.72 : x
  2. Step 2: Convert to fraction form
    55,342.26/82,964.08 = 20,273.72/x
  3. Step 3: Cross multiply
    55,342.26x = 82,964.08 × 20,273.72
  4. Step 4: Simplify right side
    55,342.26x = 1,681,990,138.50
  5. Step 5: Solve for x
    x = 1,681,990,138.50/55,342.26
  6. Step 6: Final answer
    x = 30,392.51

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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.