Home / 39,250-58,860.60-12,946.96

Finding the Fourth Proportional to 39,250, 58,860.60 and 12,946.96

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Solution

The fourth proportional to 39,250, 58,860.60 and 12,946.96 is: 19,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,250 : 58,860.60 = 12,946.96 : x
  2. Step 2: Convert to fraction form
    39,250/58,860.60 = 12,946.96/x
  3. Step 3: Cross multiply
    39,250x = 58,860.60 × 12,946.96
  4. Step 4: Simplify right side
    39,250x = 762,065,833.78
  5. Step 5: Solve for x
    x = 762,065,833.78/39,250
  6. Step 6: Final answer
    x = 19,415.69

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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.