Home / 40,329.75-55,655.07-22,665.75

Finding the Fourth Proportional to 40,329.75, 55,655.07 and 22,665.75

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Solution

The fourth proportional to 40,329.75, 55,655.07 and 22,665.75 is: 31,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.75 : 55,655.07 = 22,665.75 : x
  2. Step 2: Convert to fraction form
    40,329.75/55,655.07 = 22,665.75/x
  3. Step 3: Cross multiply
    40,329.75x = 55,655.07 × 22,665.75
  4. Step 4: Simplify right side
    40,329.75x = 1,261,463,902.85
  5. Step 5: Solve for x
    x = 1,261,463,902.85/40,329.75
  6. Step 6: Final answer
    x = 31,278.74

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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.