Home / 69,840.68-96,380.56-38,009.90

Finding the Fourth Proportional to 69,840.68, 96,380.56 and 38,009.90

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Solution

The fourth proportional to 69,840.68, 96,380.56 and 38,009.90 is: 52,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,840.68 : 96,380.56 = 38,009.90 : x
  2. Step 2: Convert to fraction form
    69,840.68/96,380.56 = 38,009.90/x
  3. Step 3: Cross multiply
    69,840.68x = 96,380.56 × 38,009.90
  4. Step 4: Simplify right side
    69,840.68x = 3,663,415,593.47
  5. Step 5: Solve for x
    x = 3,663,415,593.47/69,840.68
  6. Step 6: Final answer
    x = 52,453.90

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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.