Home / 64,856.16-97,302.24-20,481.84

Finding the Fourth Proportional to 64,856.16, 97,302.24 and 20,481.84

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Solution

The fourth proportional to 64,856.16, 97,302.24 and 20,481.84 is: 30,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.16 : 97,302.24 = 20,481.84 : x
  2. Step 2: Convert to fraction form
    64,856.16/97,302.24 = 20,481.84/x
  3. Step 3: Cross multiply
    64,856.16x = 97,302.24 × 20,481.84
  4. Step 4: Simplify right side
    64,856.16x = 1,992,928,911.32
  5. Step 5: Solve for x
    x = 1,992,928,911.32/64,856.16
  6. Step 6: Final answer
    x = 30,728.44

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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.