Home / 40,173.48-55,439.87-22,268.79

Finding the Fourth Proportional to 40,173.48, 55,439.87 and 22,268.79

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Solution

The fourth proportional to 40,173.48, 55,439.87 and 22,268.79 is: 30,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.48 : 55,439.87 = 22,268.79 : x
  2. Step 2: Convert to fraction form
    40,173.48/55,439.87 = 22,268.79/x
  3. Step 3: Cross multiply
    40,173.48x = 55,439.87 × 22,268.79
  4. Step 4: Simplify right side
    40,173.48x = 1,234,578,711.31
  5. Step 5: Solve for x
    x = 1,234,578,711.31/40,173.48
  6. Step 6: Final answer
    x = 30,731.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.