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Finding the Fourth Proportional to 64,009.40, 96,014.10 and 30,745.40

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Solution

The fourth proportional to 64,009.40, 96,014.10 and 30,745.40 is: 46,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.40 : 96,014.10 = 30,745.40 : x
  2. Step 2: Convert to fraction form
    64,009.40/96,014.10 = 30,745.40/x
  3. Step 3: Cross multiply
    64,009.40x = 96,014.10 × 30,745.40
  4. Step 4: Simplify right side
    64,009.40x = 2,951,991,910.14
  5. Step 5: Solve for x
    x = 2,951,991,910.14/64,009.40
  6. Step 6: Final answer
    x = 46,118.10

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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.