Home / 36,123.40-54,185.10-29,999.80

Finding the Fourth Proportional to 36,123.40, 54,185.10 and 29,999.80

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Solution

The fourth proportional to 36,123.40, 54,185.10 and 29,999.80 is: 44,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.40 : 54,185.10 = 29,999.80 : x
  2. Step 2: Convert to fraction form
    36,123.40/54,185.10 = 29,999.80/x
  3. Step 3: Cross multiply
    36,123.40x = 54,185.10 × 29,999.80
  4. Step 4: Simplify right side
    36,123.40x = 1,625,542,162.98
  5. Step 5: Solve for x
    x = 1,625,542,162.98/36,123.40
  6. Step 6: Final answer
    x = 44,999.70

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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.