Home / 39,489.96-59,238.04-13,194.78

Finding the Fourth Proportional to 39,489.96, 59,238.04 and 13,194.78

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Solution

The fourth proportional to 39,489.96, 59,238.04 and 13,194.78 is: 19,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.96 : 59,238.04 = 13,194.78 : x
  2. Step 2: Convert to fraction form
    39,489.96/59,238.04 = 13,194.78/x
  3. Step 3: Cross multiply
    39,489.96x = 59,238.04 × 13,194.78
  4. Step 4: Simplify right side
    39,489.96x = 781,632,905.43
  5. Step 5: Solve for x
    x = 781,632,905.43/39,489.96
  6. Step 6: Final answer
    x = 19,793.21

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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.