Home / 64,515.46-96,773.20-20,146.02

Finding the Fourth Proportional to 64,515.46, 96,773.20 and 20,146.02

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Solution

The fourth proportional to 64,515.46, 96,773.20 and 20,146.02 is: 30,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515.46 : 96,773.20 = 20,146.02 : x
  2. Step 2: Convert to fraction form
    64,515.46/96,773.20 = 20,146.02/x
  3. Step 3: Cross multiply
    64,515.46x = 96,773.20 × 20,146.02
  4. Step 4: Simplify right side
    64,515.46x = 1,949,594,822.66
  5. Step 5: Solve for x
    x = 1,949,594,822.66/64,515.46
  6. Step 6: Final answer
    x = 30,219.03

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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.