Home / 54,923.96-82,329.36-21,630.53

Finding the Fourth Proportional to 54,923.96, 82,329.36 and 21,630.53

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Solution

The fourth proportional to 54,923.96, 82,329.36 and 21,630.53 is: 32,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,923.96 : 82,329.36 = 21,630.53 : x
  2. Step 2: Convert to fraction form
    54,923.96/82,329.36 = 21,630.53/x
  3. Step 3: Cross multiply
    54,923.96x = 82,329.36 × 21,630.53
  4. Step 4: Simplify right side
    54,923.96x = 1,780,827,691.36
  5. Step 5: Solve for x
    x = 1,780,827,691.36/54,923.96
  6. Step 6: Final answer
    x = 32,423.51

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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.