Home / 64,694.28-97,040.51-20,323.70

Finding the Fourth Proportional to 64,694.28, 97,040.51 and 20,323.70

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Solution

The fourth proportional to 64,694.28, 97,040.51 and 20,323.70 is: 30,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,694.28 : 97,040.51 = 20,323.70 : x
  2. Step 2: Convert to fraction form
    64,694.28/97,040.51 = 20,323.70/x
  3. Step 3: Cross multiply
    64,694.28x = 97,040.51 × 20,323.70
  4. Step 4: Simplify right side
    64,694.28x = 1,972,222,213.09
  5. Step 5: Solve for x
    x = 1,972,222,213.09/64,694.28
  6. Step 6: Final answer
    x = 30,485.26

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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.