Home / 64,856.20-97,287.22-19,874.32

Finding the Fourth Proportional to 64,856.20, 97,287.22 and 19,874.32

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Solution

The fourth proportional to 64,856.20, 97,287.22 and 19,874.32 is: 29,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.20 : 97,287.22 = 19,874.32 : x
  2. Step 2: Convert to fraction form
    64,856.20/97,287.22 = 19,874.32/x
  3. Step 3: Cross multiply
    64,856.20x = 97,287.22 × 19,874.32
  4. Step 4: Simplify right side
    64,856.20x = 1,933,516,855.75
  5. Step 5: Solve for x
    x = 1,933,516,855.75/64,856.20
  6. Step 6: Final answer
    x = 29,812.37

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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.