Home / 40,739.96-61,107.56-11,155.62

Finding the Fourth Proportional to 40,739.96, 61,107.56 and 11,155.62

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Solution

The fourth proportional to 40,739.96, 61,107.56 and 11,155.62 is: 16,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,739.96 : 61,107.56 = 11,155.62 : x
  2. Step 2: Convert to fraction form
    40,739.96/61,107.56 = 11,155.62/x
  3. Step 3: Cross multiply
    40,739.96x = 61,107.56 × 11,155.62
  4. Step 4: Simplify right side
    40,739.96x = 681,692,662.71
  5. Step 5: Solve for x
    x = 681,692,662.71/40,739.96
  6. Step 6: Final answer
    x = 16,732.78

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1.5x scale

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.