Home / 40,166.32-55,428.81-23,171.32

Finding the Fourth Proportional to 40,166.32, 55,428.81 and 23,171.32

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Solution

The fourth proportional to 40,166.32, 55,428.81 and 23,171.32 is: 31,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.32 : 55,428.81 = 23,171.32 : x
  2. Step 2: Convert to fraction form
    40,166.32/55,428.81 = 23,171.32/x
  3. Step 3: Cross multiply
    40,166.32x = 55,428.81 × 23,171.32
  4. Step 4: Simplify right side
    40,166.32x = 1,284,358,693.73
  5. Step 5: Solve for x
    x = 1,284,358,693.73/40,166.32
  6. Step 6: Final answer
    x = 31,976.01

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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.