Home / 48,205.62-72,306.30-13,145.28

Finding the Fourth Proportional to 48,205.62, 72,306.30 and 13,145.28

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Solution

The fourth proportional to 48,205.62, 72,306.30 and 13,145.28 is: 19,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,205.62 : 72,306.30 = 13,145.28 : x
  2. Step 2: Convert to fraction form
    48,205.62/72,306.30 = 13,145.28/x
  3. Step 3: Cross multiply
    48,205.62x = 72,306.30 × 13,145.28
  4. Step 4: Simplify right side
    48,205.62x = 950,486,559.26
  5. Step 5: Solve for x
    x = 950,486,559.26/48,205.62
  6. Step 6: Final answer
    x = 19,717.34

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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.