Home / 40,174.79-55,441.77-22,027.21

Finding the Fourth Proportional to 40,174.79, 55,441.77 and 22,027.21

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Solution

The fourth proportional to 40,174.79, 55,441.77 and 22,027.21 is: 30,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,174.79 : 55,441.77 = 22,027.21 : x
  2. Step 2: Convert to fraction form
    40,174.79/55,441.77 = 22,027.21/x
  3. Step 3: Cross multiply
    40,174.79x = 55,441.77 × 22,027.21
  4. Step 4: Simplify right side
    40,174.79x = 1,221,227,289.36
  5. Step 5: Solve for x
    x = 1,221,227,289.36/40,174.79
  6. Step 6: Final answer
    x = 30,397.86

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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.