Home / 88,015.32-132,021.54-21,455.64

Finding the Fourth Proportional to 88,015.32, 132,021.54 and 21,455.64

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Solution

The fourth proportional to 88,015.32, 132,021.54 and 21,455.64 is: 32,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,015.32 : 132,021.54 = 21,455.64 : x
  2. Step 2: Convert to fraction form
    88,015.32/132,021.54 = 21,455.64/x
  3. Step 3: Cross multiply
    88,015.32x = 132,021.54 × 21,455.64
  4. Step 4: Simplify right side
    88,015.32x = 2,832,606,634.49
  5. Step 5: Solve for x
    x = 2,832,606,634.49/88,015.32
  6. Step 6: Final answer
    x = 32,183.11

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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.