Home / 38,136.88-52,626.24-21,140.96

Finding the Fourth Proportional to 38,136.88, 52,626.24 and 21,140.96

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Solution

The fourth proportional to 38,136.88, 52,626.24 and 21,140.96 is: 29,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.88 : 52,626.24 = 21,140.96 : x
  2. Step 2: Convert to fraction form
    38,136.88/52,626.24 = 21,140.96/x
  3. Step 3: Cross multiply
    38,136.88x = 52,626.24 × 21,140.96
  4. Step 4: Simplify right side
    38,136.88x = 1,112,569,234.79
  5. Step 5: Solve for x
    x = 1,112,569,234.79/38,136.88
  6. Step 6: Final answer
    x = 29,173.05

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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.