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Finding the Fourth Proportional to 64,358.12, 96,551.78 and 22,805.12

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Solution

The fourth proportional to 64,358.12, 96,551.78 and 22,805.12 is: 34,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,358.12 : 96,551.78 = 22,805.12 : x
  2. Step 2: Convert to fraction form
    64,358.12/96,551.78 = 22,805.12/x
  3. Step 3: Cross multiply
    64,358.12x = 96,551.78 × 22,805.12
  4. Step 4: Simplify right side
    64,358.12x = 2,201,874,929.11
  5. Step 5: Solve for x
    x = 2,201,874,929.11/64,358.12
  6. Step 6: Final answer
    x = 34,212.85

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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.