Home / 64,639.52-96,956.44-20,265.28

Finding the Fourth Proportional to 64,639.52, 96,956.44 and 20,265.28

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Solution

The fourth proportional to 64,639.52, 96,956.44 and 20,265.28 is: 30,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.52 : 96,956.44 = 20,265.28 : x
  2. Step 2: Convert to fraction form
    64,639.52/96,956.44 = 20,265.28/x
  3. Step 3: Cross multiply
    64,639.52x = 96,956.44 × 20,265.28
  4. Step 4: Simplify right side
    64,639.52x = 1,964,849,404.40
  5. Step 5: Solve for x
    x = 1,964,849,404.40/64,639.52
  6. Step 6: Final answer
    x = 30,397.03

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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.