Home / 64,997.11-97,499.13-20,627.34

Finding the Fourth Proportional to 64,997.11, 97,499.13 and 20,627.34

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Solution

The fourth proportional to 64,997.11, 97,499.13 and 20,627.34 is: 30,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,997.11 : 97,499.13 = 20,627.34 : x
  2. Step 2: Convert to fraction form
    64,997.11/97,499.13 = 20,627.34/x
  3. Step 3: Cross multiply
    64,997.11x = 97,499.13 × 20,627.34
  4. Step 4: Simplify right side
    64,997.11x = 2,011,147,704.21
  5. Step 5: Solve for x
    x = 2,011,147,704.21/64,997.11
  6. Step 6: Final answer
    x = 30,942.11

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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.