Home / 55,216.72-82,825.36-20,156.32

Finding the Fourth Proportional to 55,216.72, 82,825.36 and 20,156.32

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Solution

The fourth proportional to 55,216.72, 82,825.36 and 20,156.32 is: 30,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.72 : 82,825.36 = 20,156.32 : x
  2. Step 2: Convert to fraction form
    55,216.72/82,825.36 = 20,156.32/x
  3. Step 3: Cross multiply
    55,216.72x = 82,825.36 × 20,156.32
  4. Step 4: Simplify right side
    55,216.72x = 1,669,454,460.28
  5. Step 5: Solve for x
    x = 1,669,454,460.28/55,216.72
  6. Step 6: Final answer
    x = 30,234.58

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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.