Home / 69,408.28-104,130.24-19,488.52

Finding the Fourth Proportional to 69,408.28, 104,130.24 and 19,488.52

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Solution

The fourth proportional to 69,408.28, 104,130.24 and 19,488.52 is: 29,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.28 : 104,130.24 = 19,488.52 : x
  2. Step 2: Convert to fraction form
    69,408.28/104,130.24 = 19,488.52/x
  3. Step 3: Cross multiply
    69,408.28x = 104,130.24 × 19,488.52
  4. Step 4: Simplify right side
    69,408.28x = 2,029,344,264.84
  5. Step 5: Solve for x
    x = 2,029,344,264.84/69,408.28
  6. Step 6: Final answer
    x = 29,237.78

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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.