Home / 48,108.43-72,111.62-18,513.46

Finding the Fourth Proportional to 48,108.43, 72,111.62 and 18,513.46

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Solution

The fourth proportional to 48,108.43, 72,111.62 and 18,513.46 is: 27,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.43 : 72,111.62 = 18,513.46 : x
  2. Step 2: Convert to fraction form
    48,108.43/72,111.62 = 18,513.46/x
  3. Step 3: Cross multiply
    48,108.43x = 72,111.62 × 18,513.46
  4. Step 4: Simplify right side
    48,108.43x = 1,335,035,624.69
  5. Step 5: Solve for x
    x = 1,335,035,624.69/48,108.43
  6. Step 6: Final answer
    x = 27,750.55

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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.