Home / 50,639.91-75,856.59-30,636.96

Finding the Fourth Proportional to 50,639.91, 75,856.59 and 30,636.96

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Solution

The fourth proportional to 50,639.91, 75,856.59 and 30,636.96 is: 45,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.91 : 75,856.59 = 30,636.96 : x
  2. Step 2: Convert to fraction form
    50,639.91/75,856.59 = 30,636.96/x
  3. Step 3: Cross multiply
    50,639.91x = 75,856.59 × 30,636.96
  4. Step 4: Simplify right side
    50,639.91x = 2,324,015,313.57
  5. Step 5: Solve for x
    x = 2,324,015,313.57/50,639.91
  6. Step 6: Final answer
    x = 45,892.96

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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.