Home / 48,887.37-73,305.14-21,170.25

Finding the Fourth Proportional to 48,887.37, 73,305.14 and 21,170.25

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Solution

The fourth proportional to 48,887.37, 73,305.14 and 21,170.25 is: 31,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,887.37 : 73,305.14 = 21,170.25 : x
  2. Step 2: Convert to fraction form
    48,887.37/73,305.14 = 21,170.25/x
  3. Step 3: Cross multiply
    48,887.37x = 73,305.14 × 21,170.25
  4. Step 4: Simplify right side
    48,887.37x = 1,551,888,034.23
  5. Step 5: Solve for x
    x = 1,551,888,034.23/48,887.37
  6. Step 6: Final answer
    x = 31,744.15

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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.