Home / 32,991.84-49,429.44-21,872.16

Finding the Fourth Proportional to 32,991.84, 49,429.44 and 21,872.16

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Solution

The fourth proportional to 32,991.84, 49,429.44 and 21,872.16 is: 32,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.84 : 49,429.44 = 21,872.16 : x
  2. Step 2: Convert to fraction form
    32,991.84/49,429.44 = 21,872.16/x
  3. Step 3: Cross multiply
    32,991.84x = 49,429.44 × 21,872.16
  4. Step 4: Simplify right side
    32,991.84x = 1,081,128,620.39
  5. Step 5: Solve for x
    x = 1,081,128,620.39/32,991.84
  6. Step 6: Final answer
    x = 32,769.58

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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.