Home / 51,729.62-77,660.10-43,987.64

Finding the Fourth Proportional to 51,729.62, 77,660.10 and 43,987.64

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Solution

The fourth proportional to 51,729.62, 77,660.10 and 43,987.64 is: 66,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.62 : 77,660.10 = 43,987.64 : x
  2. Step 2: Convert to fraction form
    51,729.62/77,660.10 = 43,987.64/x
  3. Step 3: Cross multiply
    51,729.62x = 77,660.10 × 43,987.64
  4. Step 4: Simplify right side
    51,729.62x = 3,416,084,132.86
  5. Step 5: Solve for x
    x = 3,416,084,132.86/51,729.62
  6. Step 6: Final answer
    x = 66,037.30

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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.