Home / 51,128.39-76,727.62-17,848.46

Finding the Fourth Proportional to 51,128.39, 76,727.62 and 17,848.46

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Solution

The fourth proportional to 51,128.39, 76,727.62 and 17,848.46 is: 26,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.39 : 76,727.62 = 17,848.46 : x
  2. Step 2: Convert to fraction form
    51,128.39/76,727.62 = 17,848.46/x
  3. Step 3: Cross multiply
    51,128.39x = 76,727.62 × 17,848.46
  4. Step 4: Simplify right side
    51,128.39x = 1,369,469,856.47
  5. Step 5: Solve for x
    x = 1,369,469,856.47/51,128.39
  6. Step 6: Final answer
    x = 26,784.92

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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.