Home / 55,581.40-83,363.34-18,141.28

Finding the Fourth Proportional to 55,581.40, 83,363.34 and 18,141.28

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Solution

The fourth proportional to 55,581.40, 83,363.34 and 18,141.28 is: 27,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.40 : 83,363.34 = 18,141.28 : x
  2. Step 2: Convert to fraction form
    55,581.40/83,363.34 = 18,141.28/x
  3. Step 3: Cross multiply
    55,581.40x = 83,363.34 × 18,141.28
  4. Step 4: Simplify right side
    55,581.40x = 1,512,317,692.68
  5. Step 5: Solve for x
    x = 1,512,317,692.68/55,581.40
  6. Step 6: Final answer
    x = 27,209.06

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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.