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Finding the Fourth Proportional to 64,219.86, 96,304.88 and 22,091.94

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Solution

The fourth proportional to 64,219.86, 96,304.88 and 22,091.94 is: 33,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,219.86 : 96,304.88 = 22,091.94 : x
  2. Step 2: Convert to fraction form
    64,219.86/96,304.88 = 22,091.94/x
  3. Step 3: Cross multiply
    64,219.86x = 96,304.88 × 22,091.94
  4. Step 4: Simplify right side
    64,219.86x = 2,127,561,630.67
  5. Step 5: Solve for x
    x = 2,127,561,630.67/64,219.86
  6. Step 6: Final answer
    x = 33,129.34

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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.