Home / 45,904.97-68,849.54-12,171.22

Finding the Fourth Proportional to 45,904.97, 68,849.54 and 12,171.22

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Solution

The fourth proportional to 45,904.97, 68,849.54 and 12,171.22 is: 18,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904.97 : 68,849.54 = 12,171.22 : x
  2. Step 2: Convert to fraction form
    45,904.97/68,849.54 = 12,171.22/x
  3. Step 3: Cross multiply
    45,904.97x = 68,849.54 × 12,171.22
  4. Step 4: Simplify right side
    45,904.97x = 837,983,009.51
  5. Step 5: Solve for x
    x = 837,983,009.51/45,904.97
  6. Step 6: Final answer
    x = 18,254.73

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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.