Home / 40,041.76-55,252.78-22,134.28

Finding the Fourth Proportional to 40,041.76, 55,252.78 and 22,134.28

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Solution

The fourth proportional to 40,041.76, 55,252.78 and 22,134.28 is: 30,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041.76 : 55,252.78 = 22,134.28 : x
  2. Step 2: Convert to fraction form
    40,041.76/55,252.78 = 22,134.28/x
  3. Step 3: Cross multiply
    40,041.76x = 55,252.78 × 22,134.28
  4. Step 4: Simplify right side
    40,041.76x = 1,222,980,586.09
  5. Step 5: Solve for x
    x = 1,222,980,586.09/40,041.76
  6. Step 6: Final answer
    x = 30,542.63

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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.