Home / 38,650.77-57,976.56-12,354.93

Finding the Fourth Proportional to 38,650.77, 57,976.56 and 12,354.93

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Solution

The fourth proportional to 38,650.77, 57,976.56 and 12,354.93 is: 18,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.77 : 57,976.56 = 12,354.93 : x
  2. Step 2: Convert to fraction form
    38,650.77/57,976.56 = 12,354.93/x
  3. Step 3: Cross multiply
    38,650.77x = 57,976.56 × 12,354.93
  4. Step 4: Simplify right side
    38,650.77x = 716,296,340.44
  5. Step 5: Solve for x
    x = 716,296,340.44/38,650.77
  6. Step 6: Final answer
    x = 18,532.52

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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.