Home / 45,323.96-68,100.75-28,691.82

Finding the Fourth Proportional to 45,323.96, 68,100.75 and 28,691.82

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Solution

The fourth proportional to 45,323.96, 68,100.75 and 28,691.82 is: 43,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,323.96 : 68,100.75 = 28,691.82 : x
  2. Step 2: Convert to fraction form
    45,323.96/68,100.75 = 28,691.82/x
  3. Step 3: Cross multiply
    45,323.96x = 68,100.75 × 28,691.82
  4. Step 4: Simplify right side
    45,323.96x = 1,953,934,460.87
  5. Step 5: Solve for x
    x = 1,953,934,460.87/45,323.96
  6. Step 6: Final answer
    x = 43,110.41

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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.