Home / 45,878.05-68,643.20-27,168.13

Finding the Fourth Proportional to 45,878.05, 68,643.20 and 27,168.13

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Solution

The fourth proportional to 45,878.05, 68,643.20 and 27,168.13 is: 40,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,878.05 : 68,643.20 = 27,168.13 : x
  2. Step 2: Convert to fraction form
    45,878.05/68,643.20 = 27,168.13/x
  3. Step 3: Cross multiply
    45,878.05x = 68,643.20 × 27,168.13
  4. Step 4: Simplify right side
    45,878.05x = 1,864,907,245.38
  5. Step 5: Solve for x
    x = 1,864,907,245.38/45,878.05
  6. Step 6: Final answer
    x = 40,649.23

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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.