Home / 40,190.71-55,463.08-22,285.25

Finding the Fourth Proportional to 40,190.71, 55,463.08 and 22,285.25

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Solution

The fourth proportional to 40,190.71, 55,463.08 and 22,285.25 is: 30,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.71 : 55,463.08 = 22,285.25 : x
  2. Step 2: Convert to fraction form
    40,190.71/55,463.08 = 22,285.25/x
  3. Step 3: Cross multiply
    40,190.71x = 55,463.08 × 22,285.25
  4. Step 4: Simplify right side
    40,190.71x = 1,236,008,603.57
  5. Step 5: Solve for x
    x = 1,236,008,603.57/40,190.71
  6. Step 6: Final answer
    x = 30,753.59

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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.