Home / 20,175.02-30,264.76-5,384.02

Finding the Fourth Proportional to 20,175.02, 30,264.76 and 5,384.02

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Solution

The fourth proportional to 20,175.02, 30,264.76 and 5,384.02 is: 8,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.02 : 30,264.76 = 5,384.02 : x
  2. Step 2: Convert to fraction form
    20,175.02/30,264.76 = 5,384.02/x
  3. Step 3: Cross multiply
    20,175.02x = 30,264.76 × 5,384.02
  4. Step 4: Simplify right side
    20,175.02x = 162,946,073.14
  5. Step 5: Solve for x
    x = 162,946,073.14/20,175.02
  6. Step 6: Final answer
    x = 8,076.63

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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.