Home / 64,518.53-96,780.62-20,146.12

Finding the Fourth Proportional to 64,518.53, 96,780.62 and 20,146.12

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Solution

The fourth proportional to 64,518.53, 96,780.62 and 20,146.12 is: 30,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518.53 : 96,780.62 = 20,146.12 : x
  2. Step 2: Convert to fraction form
    64,518.53/96,780.62 = 20,146.12/x
  3. Step 3: Cross multiply
    64,518.53x = 96,780.62 × 20,146.12
  4. Step 4: Simplify right side
    64,518.53x = 1,949,753,792.61
  5. Step 5: Solve for x
    x = 1,949,753,792.61/64,518.53
  6. Step 6: Final answer
    x = 30,220.06

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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.