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Finding the Fourth Proportional to 64,009.80, 95,942.70 and 30,745.80

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Solution

The fourth proportional to 64,009.80, 95,942.70 and 30,745.80 is: 46,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.80 : 95,942.70 = 30,745.80 : x
  2. Step 2: Convert to fraction form
    64,009.80/95,942.70 = 30,745.80/x
  3. Step 3: Cross multiply
    64,009.80x = 95,942.70 × 30,745.80
  4. Step 4: Simplify right side
    64,009.80x = 2,949,835,065.66
  5. Step 5: Solve for x
    x = 2,949,835,065.66/64,009.80
  6. Step 6: Final answer
    x = 46,084.12

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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.