Home / 33,155.28-45,752.94-18,998.28

Finding the Fourth Proportional to 33,155.28, 45,752.94 and 18,998.28

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Solution

The fourth proportional to 33,155.28, 45,752.94 and 18,998.28 is: 26,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.28 : 45,752.94 = 18,998.28 : x
  2. Step 2: Convert to fraction form
    33,155.28/45,752.94 = 18,998.28/x
  3. Step 3: Cross multiply
    33,155.28x = 45,752.94 × 18,998.28
  4. Step 4: Simplify right side
    33,155.28x = 869,227,164.94
  5. Step 5: Solve for x
    x = 869,227,164.94/33,155.28
  6. Step 6: Final answer
    x = 26,216.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.