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Finding the Fourth Proportional to 64,124.44, 96,191.49 and 19,142.24

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Solution

The fourth proportional to 64,124.44, 96,191.49 and 19,142.24 is: 28,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,124.44 : 96,191.49 = 19,142.24 : x
  2. Step 2: Convert to fraction form
    64,124.44/96,191.49 = 19,142.24/x
  3. Step 3: Cross multiply
    64,124.44x = 96,191.49 × 19,142.24
  4. Step 4: Simplify right side
    64,124.44x = 1,841,320,587.54
  5. Step 5: Solve for x
    x = 1,841,320,587.54/64,124.44
  6. Step 6: Final answer
    x = 28,714.80

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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.