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Finding the Fourth Proportional to 64,270.44, 96,393.78 and 19,888.92

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Solution

The fourth proportional to 64,270.44, 96,393.78 and 19,888.92 is: 29,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,270.44 : 96,393.78 = 19,888.92 : x
  2. Step 2: Convert to fraction form
    64,270.44/96,393.78 = 19,888.92/x
  3. Step 3: Cross multiply
    64,270.44x = 96,393.78 × 19,888.92
  4. Step 4: Simplify right side
    64,270.44x = 1,917,168,178.92
  5. Step 5: Solve for x
    x = 1,917,168,178.92/64,270.44
  6. Step 6: Final answer
    x = 29,829.70

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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.