Home / 42,655.54-64,022.57-21,610.22

Finding the Fourth Proportional to 42,655.54, 64,022.57 and 21,610.22

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Solution

The fourth proportional to 42,655.54, 64,022.57 and 21,610.22 is: 32,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.54 : 64,022.57 = 21,610.22 : x
  2. Step 2: Convert to fraction form
    42,655.54/64,022.57 = 21,610.22/x
  3. Step 3: Cross multiply
    42,655.54x = 64,022.57 × 21,610.22
  4. Step 4: Simplify right side
    42,655.54x = 1,383,541,716.63
  5. Step 5: Solve for x
    x = 1,383,541,716.63/42,655.54
  6. Step 6: Final answer
    x = 32,435.22

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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.