Home / 37,132.12-51,241.27-21,216.53

Finding the Fourth Proportional to 37,132.12, 51,241.27 and 21,216.53

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Solution

The fourth proportional to 37,132.12, 51,241.27 and 21,216.53 is: 29,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.12 : 51,241.27 = 21,216.53 : x
  2. Step 2: Convert to fraction form
    37,132.12/51,241.27 = 21,216.53/x
  3. Step 3: Cross multiply
    37,132.12x = 51,241.27 × 21,216.53
  4. Step 4: Simplify right side
    37,132.12x = 1,087,161,579.90
  5. Step 5: Solve for x
    x = 1,087,161,579.90/37,132.12
  6. Step 6: Final answer
    x = 29,278.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.