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Finding the Fourth Proportional to 58,171.73, 87,274.79 and 18,727.88

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Solution

The fourth proportional to 58,171.73, 87,274.79 and 18,727.88 is: 28,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,171.73 : 87,274.79 = 18,727.88 : x
  2. Step 2: Convert to fraction form
    58,171.73/87,274.79 = 18,727.88/x
  3. Step 3: Cross multiply
    58,171.73x = 87,274.79 × 18,727.88
  4. Step 4: Simplify right side
    58,171.73x = 1,634,471,794.15
  5. Step 5: Solve for x
    x = 1,634,471,794.15/58,171.73
  6. Step 6: Final answer
    x = 28,097.36

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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.