Home / 55,165.55-82,725.65-21,881.03

Finding the Fourth Proportional to 55,165.55, 82,725.65 and 21,881.03

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Solution

The fourth proportional to 55,165.55, 82,725.65 and 21,881.03 is: 32,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.55 : 82,725.65 = 21,881.03 : x
  2. Step 2: Convert to fraction form
    55,165.55/82,725.65 = 21,881.03/x
  3. Step 3: Cross multiply
    55,165.55x = 82,725.65 × 21,881.03
  4. Step 4: Simplify right side
    55,165.55x = 1,810,122,320.01
  5. Step 5: Solve for x
    x = 1,810,122,320.01/55,165.55
  6. Step 6: Final answer
    x = 32,812.55

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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.