Home / 64,930.38-97,412.84-20,558.04

Finding the Fourth Proportional to 64,930.38, 97,412.84 and 20,558.04

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Solution

The fourth proportional to 64,930.38, 97,412.84 and 20,558.04 is: 30,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930.38 : 97,412.84 = 20,558.04 : x
  2. Step 2: Convert to fraction form
    64,930.38/97,412.84 = 20,558.04/x
  3. Step 3: Cross multiply
    64,930.38x = 97,412.84 × 20,558.04
  4. Step 4: Simplify right side
    64,930.38x = 2,002,617,061.23
  5. Step 5: Solve for x
    x = 2,002,617,061.23/64,930.38
  6. Step 6: Final answer
    x = 30,842.53

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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.