Home / 45,642.29-68,465.86-14,479.97

Finding the Fourth Proportional to 45,642.29, 68,465.86 and 14,479.97

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Solution

The fourth proportional to 45,642.29, 68,465.86 and 14,479.97 is: 21,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,642.29 : 68,465.86 = 14,479.97 : x
  2. Step 2: Convert to fraction form
    45,642.29/68,465.86 = 14,479.97/x
  3. Step 3: Cross multiply
    45,642.29x = 68,465.86 × 14,479.97
  4. Step 4: Simplify right side
    45,642.29x = 991,383,220.29
  5. Step 5: Solve for x
    x = 991,383,220.29/45,642.29
  6. Step 6: Final answer
    x = 21,720.72

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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.