Home / 50,309.49-69,421.51-40,234.26

Finding the Fourth Proportional to 50,309.49, 69,421.51 and 40,234.26

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Solution

The fourth proportional to 50,309.49, 69,421.51 and 40,234.26 is: 55,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.49 : 69,421.51 = 40,234.26 : x
  2. Step 2: Convert to fraction form
    50,309.49/69,421.51 = 40,234.26/x
  3. Step 3: Cross multiply
    50,309.49x = 69,421.51 × 40,234.26
  4. Step 4: Simplify right side
    50,309.49x = 2,793,123,082.93
  5. Step 5: Solve for x
    x = 2,793,123,082.93/50,309.49
  6. Step 6: Final answer
    x = 55,518.81

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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.