Home / 49,410.64-74,062.80-21,343.92

Finding the Fourth Proportional to 49,410.64, 74,062.80 and 21,343.92

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Solution

The fourth proportional to 49,410.64, 74,062.80 and 21,343.92 is: 31,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.64 : 74,062.80 = 21,343.92 : x
  2. Step 2: Convert to fraction form
    49,410.64/74,062.80 = 21,343.92/x
  3. Step 3: Cross multiply
    49,410.64x = 74,062.80 × 21,343.92
  4. Step 4: Simplify right side
    49,410.64x = 1,580,790,478.18
  5. Step 5: Solve for x
    x = 1,580,790,478.18/49,410.64
  6. Step 6: Final answer
    x = 31,992.92

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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.