Home / 64,639.02-96,958.54-20,269.19

Finding the Fourth Proportional to 64,639.02, 96,958.54 and 20,269.19

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Solution

The fourth proportional to 64,639.02, 96,958.54 and 20,269.19 is: 30,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.02 : 96,958.54 = 20,269.19 : x
  2. Step 2: Convert to fraction form
    64,639.02/96,958.54 = 20,269.19/x
  3. Step 3: Cross multiply
    64,639.02x = 96,958.54 × 20,269.19
  4. Step 4: Simplify right side
    64,639.02x = 1,965,270,968.04
  5. Step 5: Solve for x
    x = 1,965,270,968.04/64,639.02
  6. Step 6: Final answer
    x = 30,403.79

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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.