Home / 40,321.72-55,644.33-22,417.08

Finding the Fourth Proportional to 40,321.72, 55,644.33 and 22,417.08

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Solution

The fourth proportional to 40,321.72, 55,644.33 and 22,417.08 is: 30,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.72 : 55,644.33 = 22,417.08 : x
  2. Step 2: Convert to fraction form
    40,321.72/55,644.33 = 22,417.08/x
  3. Step 3: Cross multiply
    40,321.72x = 55,644.33 × 22,417.08
  4. Step 4: Simplify right side
    40,321.72x = 1,247,383,397.16
  5. Step 5: Solve for x
    x = 1,247,383,397.16/40,321.72
  6. Step 6: Final answer
    x = 30,935.77

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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.