Home / 49,424.40-74,141.64-18,252.36

Finding the Fourth Proportional to 49,424.40, 74,141.64 and 18,252.36

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Solution

The fourth proportional to 49,424.40, 74,141.64 and 18,252.36 is: 27,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,424.40 : 74,141.64 = 18,252.36 : x
  2. Step 2: Convert to fraction form
    49,424.40/74,141.64 = 18,252.36/x
  3. Step 3: Cross multiply
    49,424.40x = 74,141.64 × 18,252.36
  4. Step 4: Simplify right side
    49,424.40x = 1,353,259,904.27
  5. Step 5: Solve for x
    x = 1,353,259,904.27/49,424.40
  6. Step 6: Final answer
    x = 27,380.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.