Home / 40,320.39-55,644.03-22,415.69

Finding the Fourth Proportional to 40,320.39, 55,644.03 and 22,415.69

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Solution

The fourth proportional to 40,320.39, 55,644.03 and 22,415.69 is: 30,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.39 : 55,644.03 = 22,415.69 : x
  2. Step 2: Convert to fraction form
    40,320.39/55,644.03 = 22,415.69/x
  3. Step 3: Cross multiply
    40,320.39x = 55,644.03 × 22,415.69
  4. Step 4: Simplify right side
    40,320.39x = 1,247,299,326.83
  5. Step 5: Solve for x
    x = 1,247,299,326.83/40,320.39
  6. Step 6: Final answer
    x = 30,934.71

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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.