Home / 45,480.12-68,229.32-19,184.80

Finding the Fourth Proportional to 45,480.12, 68,229.32 and 19,184.80

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Solution

The fourth proportional to 45,480.12, 68,229.32 and 19,184.80 is: 28,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,480.12 : 68,229.32 = 19,184.80 : x
  2. Step 2: Convert to fraction form
    45,480.12/68,229.32 = 19,184.80/x
  3. Step 3: Cross multiply
    45,480.12x = 68,229.32 × 19,184.80
  4. Step 4: Simplify right side
    45,480.12x = 1,308,965,858.34
  5. Step 5: Solve for x
    x = 1,308,965,858.34/45,480.12
  6. Step 6: Final answer
    x = 28,781.06

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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.