Home / 64,773.27-97,159.77-20,403.90

Finding the Fourth Proportional to 64,773.27, 97,159.77 and 20,403.90

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Solution

The fourth proportional to 64,773.27, 97,159.77 and 20,403.90 is: 30,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,773.27 : 97,159.77 = 20,403.90 : x
  2. Step 2: Convert to fraction form
    64,773.27/97,159.77 = 20,403.90/x
  3. Step 3: Cross multiply
    64,773.27x = 97,159.77 × 20,403.90
  4. Step 4: Simplify right side
    64,773.27x = 1,982,438,231.10
  5. Step 5: Solve for x
    x = 1,982,438,231.10/64,773.27
  6. Step 6: Final answer
    x = 30,605.81

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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.