Home / 39,884.68-59,812.12-13,225.78

Finding the Fourth Proportional to 39,884.68, 59,812.12 and 13,225.78

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Solution

The fourth proportional to 39,884.68, 59,812.12 and 13,225.78 is: 19,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,884.68 : 59,812.12 = 13,225.78 : x
  2. Step 2: Convert to fraction form
    39,884.68/59,812.12 = 13,225.78/x
  3. Step 3: Cross multiply
    39,884.68x = 59,812.12 × 13,225.78
  4. Step 4: Simplify right side
    39,884.68x = 791,061,940.45
  5. Step 5: Solve for x
    x = 791,061,940.45/39,884.68
  6. Step 6: Final answer
    x = 19,833.73

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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.