Home / 40,222.90-55,507.85-22,318.26

Finding the Fourth Proportional to 40,222.90, 55,507.85 and 22,318.26

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Solution

The fourth proportional to 40,222.90, 55,507.85 and 22,318.26 is: 30,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.90 : 55,507.85 = 22,318.26 : x
  2. Step 2: Convert to fraction form
    40,222.90/55,507.85 = 22,318.26/x
  3. Step 3: Cross multiply
    40,222.90x = 55,507.85 × 22,318.26
  4. Step 4: Simplify right side
    40,222.90x = 1,238,838,239.21
  5. Step 5: Solve for x
    x = 1,238,838,239.21/40,222.90
  6. Step 6: Final answer
    x = 30,799.33

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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.