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Finding the Fourth Proportional to 50,853.87, 76,281.81 and 35,799.39

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Solution

The fourth proportional to 50,853.87, 76,281.81 and 35,799.39 is: 53,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,853.87 : 76,281.81 = 35,799.39 : x
  2. Step 2: Convert to fraction form
    50,853.87/76,281.81 = 35,799.39/x
  3. Step 3: Cross multiply
    50,853.87x = 76,281.81 × 35,799.39
  4. Step 4: Simplify right side
    50,853.87x = 2,730,842,266.10
  5. Step 5: Solve for x
    x = 2,730,842,266.10/50,853.87
  6. Step 6: Final answer
    x = 53,699.79

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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.