Home / 40,011.16-55,218.63-22,107.73

Finding the Fourth Proportional to 40,011.16, 55,218.63 and 22,107.73

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Solution

The fourth proportional to 40,011.16, 55,218.63 and 22,107.73 is: 30,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011.16 : 55,218.63 = 22,107.73 : x
  2. Step 2: Convert to fraction form
    40,011.16/55,218.63 = 22,107.73/x
  3. Step 3: Cross multiply
    40,011.16x = 55,218.63 × 22,107.73
  4. Step 4: Simplify right side
    40,011.16x = 1,220,758,563.01
  5. Step 5: Solve for x
    x = 1,220,758,563.01/40,011.16
  6. Step 6: Final answer
    x = 30,510.45

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Double scale
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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.