Home / 69,949.56-96,530.40-38,118.49

Finding the Fourth Proportional to 69,949.56, 96,530.40 and 38,118.49

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Solution

The fourth proportional to 69,949.56, 96,530.40 and 38,118.49 is: 52,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,949.56 : 96,530.40 = 38,118.49 : x
  2. Step 2: Convert to fraction form
    69,949.56/96,530.40 = 38,118.49/x
  3. Step 3: Cross multiply
    69,949.56x = 96,530.40 × 38,118.49
  4. Step 4: Simplify right side
    69,949.56x = 3,679,593,087.10
  5. Step 5: Solve for x
    x = 3,679,593,087.10/69,949.56
  6. Step 6: Final answer
    x = 52,603.52

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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.