Home / 39,002.39-58,512.40-12,350

Finding the Fourth Proportional to 39,002.39, 58,512.40 and 12,350

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Solution

The fourth proportional to 39,002.39, 58,512.40 and 12,350 is: 18,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.39 : 58,512.40 = 12,350 : x
  2. Step 2: Convert to fraction form
    39,002.39/58,512.40 = 12,350/x
  3. Step 3: Cross multiply
    39,002.39x = 58,512.40 × 12,350
  4. Step 4: Simplify right side
    39,002.39x = 722,628,078.25
  5. Step 5: Solve for x
    x = 722,628,078.25/39,002.39
  6. Step 6: Final answer
    x = 18,527.79

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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.