Home / 39,221.60-58,846.80-15,850.40

Finding the Fourth Proportional to 39,221.60, 58,846.80 and 15,850.40

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Solution

The fourth proportional to 39,221.60, 58,846.80 and 15,850.40 is: 23,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.60 : 58,846.80 = 15,850.40 : x
  2. Step 2: Convert to fraction form
    39,221.60/58,846.80 = 15,850.40/x
  3. Step 3: Cross multiply
    39,221.60x = 58,846.80 × 15,850.40
  4. Step 4: Simplify right side
    39,221.60x = 932,745,318.72
  5. Step 5: Solve for x
    x = 932,745,318.72/39,221.60
  6. Step 6: Final answer
    x = 23,781.42

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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.