Home / 55,215.36-82,822.08-13,662.24

Finding the Fourth Proportional to 55,215.36, 82,822.08 and 13,662.24

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Solution

The fourth proportional to 55,215.36, 82,822.08 and 13,662.24 is: 20,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.36 : 82,822.08 = 13,662.24 : x
  2. Step 2: Convert to fraction form
    55,215.36/82,822.08 = 13,662.24/x
  3. Step 3: Cross multiply
    55,215.36x = 82,822.08 × 13,662.24
  4. Step 4: Simplify right side
    55,215.36x = 1,131,535,134.26
  5. Step 5: Solve for x
    x = 1,131,535,134.26/55,215.36
  6. Step 6: Final answer
    x = 20,493.12

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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.