Home / 50,384.77-69,502.11-31,489.09

Finding the Fourth Proportional to 50,384.77, 69,502.11 and 31,489.09

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Solution

The fourth proportional to 50,384.77, 69,502.11 and 31,489.09 is: 43,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,384.77 : 69,502.11 = 31,489.09 : x
  2. Step 2: Convert to fraction form
    50,384.77/69,502.11 = 31,489.09/x
  3. Step 3: Cross multiply
    50,384.77x = 69,502.11 × 31,489.09
  4. Step 4: Simplify right side
    50,384.77x = 2,188,558,196.98
  5. Step 5: Solve for x
    x = 2,188,558,196.98/50,384.77
  6. Step 6: Final answer
    x = 43,436.90

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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.