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Finding the Fourth Proportional to 35,641.71, 53,481.18 and 25,861.71

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Solution

The fourth proportional to 35,641.71, 53,481.18 and 25,861.71 is: 38,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.71 : 53,481.18 = 25,861.71 : x
  2. Step 2: Convert to fraction form
    35,641.71/53,481.18 = 25,861.71/x
  3. Step 3: Cross multiply
    35,641.71x = 53,481.18 × 25,861.71
  4. Step 4: Simplify right side
    35,641.71x = 1,383,114,767.62
  5. Step 5: Solve for x
    x = 1,383,114,767.62/35,641.71
  6. Step 6: Final answer
    x = 38,806.07

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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.