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Finding the Fourth Proportional to 58,771.51, 88,162.26 and 16,651.78

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Solution

The fourth proportional to 58,771.51, 88,162.26 and 16,651.78 is: 24,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,771.51 : 88,162.26 = 16,651.78 : x
  2. Step 2: Convert to fraction form
    58,771.51/88,162.26 = 16,651.78/x
  3. Step 3: Cross multiply
    58,771.51x = 88,162.26 × 16,651.78
  4. Step 4: Simplify right side
    58,771.51x = 1,468,058,557.82
  5. Step 5: Solve for x
    x = 1,468,058,557.82/58,771.51
  6. Step 6: Final answer
    x = 24,979.09

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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.