Home / 55,041.72-82,506.53-21,716.04

Finding the Fourth Proportional to 55,041.72, 82,506.53 and 21,716.04

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Solution

The fourth proportional to 55,041.72, 82,506.53 and 21,716.04 is: 32,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,041.72 : 82,506.53 = 21,716.04 : x
  2. Step 2: Convert to fraction form
    55,041.72/82,506.53 = 21,716.04/x
  3. Step 3: Cross multiply
    55,041.72x = 82,506.53 × 21,716.04
  4. Step 4: Simplify right side
    55,041.72x = 1,791,715,105.74
  5. Step 5: Solve for x
    x = 1,791,715,105.74/55,041.72
  6. Step 6: Final answer
    x = 32,551.95

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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.