Home / 40,226.48-55,512.36-22,322.72

Finding the Fourth Proportional to 40,226.48, 55,512.36 and 22,322.72

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Solution

The fourth proportional to 40,226.48, 55,512.36 and 22,322.72 is: 30,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.48 : 55,512.36 = 22,322.72 : x
  2. Step 2: Convert to fraction form
    40,226.48/55,512.36 = 22,322.72/x
  3. Step 3: Cross multiply
    40,226.48x = 55,512.36 × 22,322.72
  4. Step 4: Simplify right side
    40,226.48x = 1,239,186,868.82
  5. Step 5: Solve for x
    x = 1,239,186,868.82/40,226.48
  6. Step 6: Final answer
    x = 30,805.25

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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.