Home / 64,665.20-96,997.62-20,292.14

Finding the Fourth Proportional to 64,665.20, 96,997.62 and 20,292.14

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Solution

The fourth proportional to 64,665.20, 96,997.62 and 20,292.14 is: 30,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665.20 : 96,997.62 = 20,292.14 : x
  2. Step 2: Convert to fraction form
    64,665.20/96,997.62 = 20,292.14/x
  3. Step 3: Cross multiply
    64,665.20x = 96,997.62 × 20,292.14
  4. Step 4: Simplify right side
    64,665.20x = 1,968,289,284.71
  5. Step 5: Solve for x
    x = 1,968,289,284.71/64,665.20
  6. Step 6: Final answer
    x = 30,438.15

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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.