Home / 45,326.12-67,919.92-19,016.51

Finding the Fourth Proportional to 45,326.12, 67,919.92 and 19,016.51

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Solution

The fourth proportional to 45,326.12, 67,919.92 and 19,016.51 is: 28,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.12 : 67,919.92 = 19,016.51 : x
  2. Step 2: Convert to fraction form
    45,326.12/67,919.92 = 19,016.51/x
  3. Step 3: Cross multiply
    45,326.12x = 67,919.92 × 19,016.51
  4. Step 4: Simplify right side
    45,326.12x = 1,291,599,450.74
  5. Step 5: Solve for x
    x = 1,291,599,450.74/45,326.12
  6. Step 6: Final answer
    x = 28,495.70

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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.