Home / 50,990.38-76,496.52-21,391.16

Finding the Fourth Proportional to 50,990.38, 76,496.52 and 21,391.16

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Solution

The fourth proportional to 50,990.38, 76,496.52 and 21,391.16 is: 32,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.38 : 76,496.52 = 21,391.16 : x
  2. Step 2: Convert to fraction form
    50,990.38/76,496.52 = 21,391.16/x
  3. Step 3: Cross multiply
    50,990.38x = 76,496.52 × 21,391.16
  4. Step 4: Simplify right side
    50,990.38x = 1,636,349,298.76
  5. Step 5: Solve for x
    x = 1,636,349,298.76/50,990.38
  6. Step 6: Final answer
    x = 32,091.33

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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.