Home / 58,583.87-87,857.62-21,139.08

Finding the Fourth Proportional to 58,583.87, 87,857.62 and 21,139.08

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Solution

The fourth proportional to 58,583.87, 87,857.62 and 21,139.08 is: 31,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,583.87 : 87,857.62 = 21,139.08 : x
  2. Step 2: Convert to fraction form
    58,583.87/87,857.62 = 21,139.08/x
  3. Step 3: Cross multiply
    58,583.87x = 87,857.62 × 21,139.08
  4. Step 4: Simplify right side
    58,583.87x = 1,857,229,257.79
  5. Step 5: Solve for x
    x = 1,857,229,257.79/58,583.87
  6. Step 6: Final answer
    x = 31,702.06

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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.