Home / 45,351.64-68,027.59-13,761.95

Finding the Fourth Proportional to 45,351.64, 68,027.59 and 13,761.95

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Solution

The fourth proportional to 45,351.64, 68,027.59 and 13,761.95 is: 20,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.64 : 68,027.59 = 13,761.95 : x
  2. Step 2: Convert to fraction form
    45,351.64/68,027.59 = 13,761.95/x
  3. Step 3: Cross multiply
    45,351.64x = 68,027.59 × 13,761.95
  4. Step 4: Simplify right side
    45,351.64x = 936,192,479.47
  5. Step 5: Solve for x
    x = 936,192,479.47/45,351.64
  6. Step 6: Final answer
    x = 20,642.97

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1.5x scale

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.