Home / 73,747.43-110,621.75-21,158.58

Finding the Fourth Proportional to 73,747.43, 110,621.75 and 21,158.58

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Solution

The fourth proportional to 73,747.43, 110,621.75 and 21,158.58 is: 31,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,747.43 : 110,621.75 = 21,158.58 : x
  2. Step 2: Convert to fraction form
    73,747.43/110,621.75 = 21,158.58/x
  3. Step 3: Cross multiply
    73,747.43x = 110,621.75 × 21,158.58
  4. Step 4: Simplify right side
    73,747.43x = 2,340,599,041.32
  5. Step 5: Solve for x
    x = 2,340,599,041.32/73,747.43
  6. Step 6: Final answer
    x = 31,738.04

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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.