Home / 58,583.62-87,857.25-21,138.83

Finding the Fourth Proportional to 58,583.62, 87,857.25 and 21,138.83

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Solution

The fourth proportional to 58,583.62, 87,857.25 and 21,138.83 is: 31,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,583.62 : 87,857.25 = 21,138.83 : x
  2. Step 2: Convert to fraction form
    58,583.62/87,857.25 = 21,138.83/x
  3. Step 3: Cross multiply
    58,583.62x = 87,857.25 × 21,138.83
  4. Step 4: Simplify right side
    58,583.62x = 1,857,199,472.02
  5. Step 5: Solve for x
    x = 1,857,199,472.02/58,583.62
  6. Step 6: Final answer
    x = 31,701.69

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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.