Home / 36,139.82-54,178.55-17,394.07

Finding the Fourth Proportional to 36,139.82, 54,178.55 and 17,394.07

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Solution

The fourth proportional to 36,139.82, 54,178.55 and 17,394.07 is: 26,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.82 : 54,178.55 = 17,394.07 : x
  2. Step 2: Convert to fraction form
    36,139.82/54,178.55 = 17,394.07/x
  3. Step 3: Cross multiply
    36,139.82x = 54,178.55 × 17,394.07
  4. Step 4: Simplify right side
    36,139.82x = 942,385,491.20
  5. Step 5: Solve for x
    x = 942,385,491.20/36,139.82
  6. Step 6: Final answer
    x = 26,076.10

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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.