Home / 32,913.04-49,324.81-13,921.88

Finding the Fourth Proportional to 32,913.04, 49,324.81 and 13,921.88

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Solution

The fourth proportional to 32,913.04, 49,324.81 and 13,921.88 is: 20,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.04 : 49,324.81 = 13,921.88 : x
  2. Step 2: Convert to fraction form
    32,913.04/49,324.81 = 13,921.88/x
  3. Step 3: Cross multiply
    32,913.04x = 49,324.81 × 13,921.88
  4. Step 4: Simplify right side
    32,913.04x = 686,694,120.65
  5. Step 5: Solve for x
    x = 686,694,120.65/32,913.04
  6. Step 6: Final answer
    x = 20,863.89

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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.