Home / 39,192.76-58,795.86-12,904.96

Finding the Fourth Proportional to 39,192.76, 58,795.86 and 12,904.96

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Solution

The fourth proportional to 39,192.76, 58,795.86 and 12,904.96 is: 19,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192.76 : 58,795.86 = 12,904.96 : x
  2. Step 2: Convert to fraction form
    39,192.76/58,795.86 = 12,904.96/x
  3. Step 3: Cross multiply
    39,192.76x = 58,795.86 × 12,904.96
  4. Step 4: Simplify right side
    39,192.76x = 758,758,221.47
  5. Step 5: Solve for x
    x = 758,758,221.47/39,192.76
  6. Step 6: Final answer
    x = 19,359.65

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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.