Home / 40,046.40-55,263.06-22,140.95

Finding the Fourth Proportional to 40,046.40, 55,263.06 and 22,140.95

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Solution

The fourth proportional to 40,046.40, 55,263.06 and 22,140.95 is: 30,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,046.40 : 55,263.06 = 22,140.95 : x
  2. Step 2: Convert to fraction form
    40,046.40/55,263.06 = 22,140.95/x
  3. Step 3: Cross multiply
    40,046.40x = 55,263.06 × 22,140.95
  4. Step 4: Simplify right side
    40,046.40x = 1,223,576,371.99
  5. Step 5: Solve for x
    x = 1,223,576,371.99/40,046.40
  6. Step 6: Final answer
    x = 30,553.97

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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.