Home / 38,234.96-52,762.46-21,240.30

Finding the Fourth Proportional to 38,234.96, 52,762.46 and 21,240.30

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Solution

The fourth proportional to 38,234.96, 52,762.46 and 21,240.30 is: 29,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.96 : 52,762.46 = 21,240.30 : x
  2. Step 2: Convert to fraction form
    38,234.96/52,762.46 = 21,240.30/x
  3. Step 3: Cross multiply
    38,234.96x = 52,762.46 × 21,240.30
  4. Step 4: Simplify right side
    38,234.96x = 1,120,690,372.94
  5. Step 5: Solve for x
    x = 1,120,690,372.94/38,234.96
  6. Step 6: Final answer
    x = 29,310.62

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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.