Home / 40,534.62-55,936.80-22,631.28

Finding the Fourth Proportional to 40,534.62, 55,936.80 and 22,631.28

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Solution

The fourth proportional to 40,534.62, 55,936.80 and 22,631.28 is: 31,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,534.62 : 55,936.80 = 22,631.28 : x
  2. Step 2: Convert to fraction form
    40,534.62/55,936.80 = 22,631.28/x
  3. Step 3: Cross multiply
    40,534.62x = 55,936.80 × 22,631.28
  4. Step 4: Simplify right side
    40,534.62x = 1,265,921,383.10
  5. Step 5: Solve for x
    x = 1,265,921,383.10/40,534.62
  6. Step 6: Final answer
    x = 31,230.62

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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.