Home / 39,195.66-58,798.35-12,909.54

Finding the Fourth Proportional to 39,195.66, 58,798.35 and 12,909.54

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Solution

The fourth proportional to 39,195.66, 58,798.35 and 12,909.54 is: 19,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195.66 : 58,798.35 = 12,909.54 : x
  2. Step 2: Convert to fraction form
    39,195.66/58,798.35 = 12,909.54/x
  3. Step 3: Cross multiply
    39,195.66x = 58,798.35 × 12,909.54
  4. Step 4: Simplify right side
    39,195.66x = 759,059,651.26
  5. Step 5: Solve for x
    x = 759,059,651.26/39,195.66
  6. Step 6: Final answer
    x = 19,365.91

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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.