Home / 38,639.92-57,981.81-16,450.99

Finding the Fourth Proportional to 38,639.92, 57,981.81 and 16,450.99

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Solution

The fourth proportional to 38,639.92, 57,981.81 and 16,450.99 is: 24,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.92 : 57,981.81 = 16,450.99 : x
  2. Step 2: Convert to fraction form
    38,639.92/57,981.81 = 16,450.99/x
  3. Step 3: Cross multiply
    38,639.92x = 57,981.81 × 16,450.99
  4. Step 4: Simplify right side
    38,639.92x = 953,858,176.49
  5. Step 5: Solve for x
    x = 953,858,176.49/38,639.92
  6. Step 6: Final answer
    x = 24,685.82

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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.