Home / 36,123.20-54,184.88-19,491.06

Finding the Fourth Proportional to 36,123.20, 54,184.88 and 19,491.06

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Solution

The fourth proportional to 36,123.20, 54,184.88 and 19,491.06 is: 29,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.20 : 54,184.88 = 19,491.06 : x
  2. Step 2: Convert to fraction form
    36,123.20/54,184.88 = 19,491.06/x
  3. Step 3: Cross multiply
    36,123.20x = 54,184.88 × 19,491.06
  4. Step 4: Simplify right side
    36,123.20x = 1,056,120,649.72
  5. Step 5: Solve for x
    x = 1,056,120,649.72/36,123.20
  6. Step 6: Final answer
    x = 29,236.63

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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.