Home / 40,391.48-55,740.96-22,243.04

Finding the Fourth Proportional to 40,391.48, 55,740.96 and 22,243.04

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Solution

The fourth proportional to 40,391.48, 55,740.96 and 22,243.04 is: 30,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.48 : 55,740.96 = 22,243.04 : x
  2. Step 2: Convert to fraction form
    40,391.48/55,740.96 = 22,243.04/x
  3. Step 3: Cross multiply
    40,391.48x = 55,740.96 × 22,243.04
  4. Step 4: Simplify right side
    40,391.48x = 1,239,848,402.92
  5. Step 5: Solve for x
    x = 1,239,848,402.92/40,391.48
  6. Step 6: Final answer
    x = 30,695.79

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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.