Home / 64,653.39-96,983.73-20,279.16

Finding the Fourth Proportional to 64,653.39, 96,983.73 and 20,279.16

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Solution

The fourth proportional to 64,653.39, 96,983.73 and 20,279.16 is: 30,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653.39 : 96,983.73 = 20,279.16 : x
  2. Step 2: Convert to fraction form
    64,653.39/96,983.73 = 20,279.16/x
  3. Step 3: Cross multiply
    64,653.39x = 96,983.73 × 20,279.16
  4. Step 4: Simplify right side
    64,653.39x = 1,966,748,578.07
  5. Step 5: Solve for x
    x = 1,966,748,578.07/64,653.39
  6. Step 6: Final answer
    x = 30,419.88

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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.