Home / 40,150.81-55,405.79-22,244.74

Finding the Fourth Proportional to 40,150.81, 55,405.79 and 22,244.74

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Solution

The fourth proportional to 40,150.81, 55,405.79 and 22,244.74 is: 30,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.81 : 55,405.79 = 22,244.74 : x
  2. Step 2: Convert to fraction form
    40,150.81/55,405.79 = 22,244.74/x
  3. Step 3: Cross multiply
    40,150.81x = 55,405.79 × 22,244.74
  4. Step 4: Simplify right side
    40,150.81x = 1,232,487,538.38
  5. Step 5: Solve for x
    x = 1,232,487,538.38/40,150.81
  6. Step 6: Final answer
    x = 30,696.46

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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.