Home / 33,613.29-50,420.18-12,558.09

Finding the Fourth Proportional to 33,613.29, 50,420.18 and 12,558.09

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Solution

The fourth proportional to 33,613.29, 50,420.18 and 12,558.09 is: 18,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,613.29 : 50,420.18 = 12,558.09 : x
  2. Step 2: Convert to fraction form
    33,613.29/50,420.18 = 12,558.09/x
  3. Step 3: Cross multiply
    33,613.29x = 50,420.18 × 12,558.09
  4. Step 4: Simplify right side
    33,613.29x = 633,181,095.47
  5. Step 5: Solve for x
    x = 633,181,095.47/33,613.29
  6. Step 6: Final answer
    x = 18,837.22

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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.