Home / 40,379.82-55,725.76-22,475.58

Finding the Fourth Proportional to 40,379.82, 55,725.76 and 22,475.58

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Solution

The fourth proportional to 40,379.82, 55,725.76 and 22,475.58 is: 31,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.82 : 55,725.76 = 22,475.58 : x
  2. Step 2: Convert to fraction form
    40,379.82/55,725.76 = 22,475.58/x
  3. Step 3: Cross multiply
    40,379.82x = 55,725.76 × 22,475.58
  4. Step 4: Simplify right side
    40,379.82x = 1,252,468,776.94
  5. Step 5: Solve for x
    x = 1,252,468,776.94/40,379.82
  6. Step 6: Final answer
    x = 31,017.20

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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.