Home / 32,936.29-49,384.40-12,921.81

Finding the Fourth Proportional to 32,936.29, 49,384.40 and 12,921.81

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Solution

The fourth proportional to 32,936.29, 49,384.40 and 12,921.81 is: 19,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,936.29 : 49,384.40 = 12,921.81 : x
  2. Step 2: Convert to fraction form
    32,936.29/49,384.40 = 12,921.81/x
  3. Step 3: Cross multiply
    32,936.29x = 49,384.40 × 12,921.81
  4. Step 4: Simplify right side
    32,936.29x = 638,135,934.44
  5. Step 5: Solve for x
    x = 638,135,934.44/32,936.29
  6. Step 6: Final answer
    x = 19,374.86

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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.