Home / 45,458.92-68,211.74-20,175.76

Finding the Fourth Proportional to 45,458.92, 68,211.74 and 20,175.76

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Solution

The fourth proportional to 45,458.92, 68,211.74 and 20,175.76 is: 30,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,458.92 : 68,211.74 = 20,175.76 : x
  2. Step 2: Convert to fraction form
    45,458.92/68,211.74 = 20,175.76/x
  3. Step 3: Cross multiply
    45,458.92x = 68,211.74 × 20,175.76
  4. Step 4: Simplify right side
    45,458.92x = 1,376,223,253.48
  5. Step 5: Solve for x
    x = 1,376,223,253.48/45,458.92
  6. Step 6: Final answer
    x = 30,274.00

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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.