Home / 64,518.46-96,777.70-20,149.02

Finding the Fourth Proportional to 64,518.46, 96,777.70 and 20,149.02

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Solution

The fourth proportional to 64,518.46, 96,777.70 and 20,149.02 is: 30,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518.46 : 96,777.70 = 20,149.02 : x
  2. Step 2: Convert to fraction form
    64,518.46/96,777.70 = 20,149.02/x
  3. Step 3: Cross multiply
    64,518.46x = 96,777.70 × 20,149.02
  4. Step 4: Simplify right side
    64,518.46x = 1,949,975,812.85
  5. Step 5: Solve for x
    x = 1,949,975,812.85/64,518.46
  6. Step 6: Final answer
    x = 30,223.53

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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.