Home / 45,444.28-68,143.78-28,791.63

Finding the Fourth Proportional to 45,444.28, 68,143.78 and 28,791.63

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Solution

The fourth proportional to 45,444.28, 68,143.78 and 28,791.63 is: 43,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444.28 : 68,143.78 = 28,791.63 : x
  2. Step 2: Convert to fraction form
    45,444.28/68,143.78 = 28,791.63/x
  3. Step 3: Cross multiply
    45,444.28x = 68,143.78 × 28,791.63
  4. Step 4: Simplify right side
    45,444.28x = 1,961,970,500.56
  5. Step 5: Solve for x
    x = 1,961,970,500.56/45,444.28
  6. Step 6: Final answer
    x = 43,173.10

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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.