Home / 64,489.12-96,734.16-17,744.56

Finding the Fourth Proportional to 64,489.12, 96,734.16 and 17,744.56

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Solution

The fourth proportional to 64,489.12, 96,734.16 and 17,744.56 is: 26,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,489.12 : 96,734.16 = 17,744.56 : x
  2. Step 2: Convert to fraction form
    64,489.12/96,734.16 = 17,744.56/x
  3. Step 3: Cross multiply
    64,489.12x = 96,734.16 × 17,744.56
  4. Step 4: Simplify right side
    64,489.12x = 1,716,505,106.17
  5. Step 5: Solve for x
    x = 1,716,505,106.17/64,489.12
  6. Step 6: Final answer
    x = 26,616.97

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1.5x scale

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.