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Finding the Fourth Proportional to 64,278.60, 96,429.60 and 22,164.72

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Solution

The fourth proportional to 64,278.60, 96,429.60 and 22,164.72 is: 33,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,278.60 : 96,429.60 = 22,164.72 : x
  2. Step 2: Convert to fraction form
    64,278.60/96,429.60 = 22,164.72/x
  3. Step 3: Cross multiply
    64,278.60x = 96,429.60 × 22,164.72
  4. Step 4: Simplify right side
    64,278.60x = 2,137,335,083.71
  5. Step 5: Solve for x
    x = 2,137,335,083.71/64,278.60
  6. Step 6: Final answer
    x = 33,251.11

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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.