Home / 39,694.68-59,500.62-13,390.38

Finding the Fourth Proportional to 39,694.68, 59,500.62 and 13,390.38

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Solution

The fourth proportional to 39,694.68, 59,500.62 and 13,390.38 is: 20,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,694.68 : 59,500.62 = 13,390.38 : x
  2. Step 2: Convert to fraction form
    39,694.68/59,500.62 = 13,390.38/x
  3. Step 3: Cross multiply
    39,694.68x = 59,500.62 × 13,390.38
  4. Step 4: Simplify right side
    39,694.68x = 796,735,912.04
  5. Step 5: Solve for x
    x = 796,735,912.04/39,694.68
  6. Step 6: Final answer
    x = 20,071.60

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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.