Home / 64,954.09-97,433.88-20,579.86

Finding the Fourth Proportional to 64,954.09, 97,433.88 and 20,579.86

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Solution

The fourth proportional to 64,954.09, 97,433.88 and 20,579.86 is: 30,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,954.09 : 97,433.88 = 20,579.86 : x
  2. Step 2: Convert to fraction form
    64,954.09/97,433.88 = 20,579.86/x
  3. Step 3: Cross multiply
    64,954.09x = 97,433.88 × 20,579.86
  4. Step 4: Simplify right side
    64,954.09x = 2,005,175,654.27
  5. Step 5: Solve for x
    x = 2,005,175,654.27/64,954.09
  6. Step 6: Final answer
    x = 30,870.66

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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.