Home / 40,905.54-61,350.75-11,319.48

Finding the Fourth Proportional to 40,905.54, 61,350.75 and 11,319.48

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Solution

The fourth proportional to 40,905.54, 61,350.75 and 11,319.48 is: 16,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.54 : 61,350.75 = 11,319.48 : x
  2. Step 2: Convert to fraction form
    40,905.54/61,350.75 = 11,319.48/x
  3. Step 3: Cross multiply
    40,905.54x = 61,350.75 × 11,319.48
  4. Step 4: Simplify right side
    40,905.54x = 694,458,587.61
  5. Step 5: Solve for x
    x = 694,458,587.61/40,905.54
  6. Step 6: Final answer
    x = 16,977.13

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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.