Home / 48,078.12-72,019.26-39,225

Finding the Fourth Proportional to 48,078.12, 72,019.26 and 39,225

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Solution

The fourth proportional to 48,078.12, 72,019.26 and 39,225 is: 58,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,078.12 : 72,019.26 = 39,225 : x
  2. Step 2: Convert to fraction form
    48,078.12/72,019.26 = 39,225/x
  3. Step 3: Cross multiply
    48,078.12x = 72,019.26 × 39,225
  4. Step 4: Simplify right side
    48,078.12x = 2,824,955,473.50
  5. Step 5: Solve for x
    x = 2,824,955,473.50/48,078.12
  6. Step 6: Final answer
    x = 58,757.61

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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.