Home / 55,018.77-82,533.62-19,961.16

Finding the Fourth Proportional to 55,018.77, 82,533.62 and 19,961.16

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Solution

The fourth proportional to 55,018.77, 82,533.62 and 19,961.16 is: 29,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,018.77 : 82,533.62 = 19,961.16 : x
  2. Step 2: Convert to fraction form
    55,018.77/82,533.62 = 19,961.16/x
  3. Step 3: Cross multiply
    55,018.77x = 82,533.62 × 19,961.16
  4. Step 4: Simplify right side
    55,018.77x = 1,647,466,794.20
  5. Step 5: Solve for x
    x = 1,647,466,794.20/55,018.77
  6. Step 6: Final answer
    x = 29,943.72

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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.