Home / 36,389.79-50,217.82-20,474.26

Finding the Fourth Proportional to 36,389.79, 50,217.82 and 20,474.26

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Solution

The fourth proportional to 36,389.79, 50,217.82 and 20,474.26 is: 28,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,389.79 : 50,217.82 = 20,474.26 : x
  2. Step 2: Convert to fraction form
    36,389.79/50,217.82 = 20,474.26/x
  3. Step 3: Cross multiply
    36,389.79x = 50,217.82 × 20,474.26
  4. Step 4: Simplify right side
    36,389.79x = 1,028,172,526.58
  5. Step 5: Solve for x
    x = 1,028,172,526.58/36,389.79
  6. Step 6: Final answer
    x = 28,254.42

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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.