Home / 64,643.28-96,809.40-36,857.04

Finding the Fourth Proportional to 64,643.28, 96,809.40 and 36,857.04

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Solution

The fourth proportional to 64,643.28, 96,809.40 and 36,857.04 is: 55,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,643.28 : 96,809.40 = 36,857.04 : x
  2. Step 2: Convert to fraction form
    64,643.28/96,809.40 = 36,857.04/x
  3. Step 3: Cross multiply
    64,643.28x = 96,809.40 × 36,857.04
  4. Step 4: Simplify right side
    64,643.28x = 3,568,107,928.18
  5. Step 5: Solve for x
    x = 3,568,107,928.18/64,643.28
  6. Step 6: Final answer
    x = 55,196.89

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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.