Home / 58,617.63-87,908.49-21,173.09

Finding the Fourth Proportional to 58,617.63, 87,908.49 and 21,173.09

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Solution

The fourth proportional to 58,617.63, 87,908.49 and 21,173.09 is: 31,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,617.63 : 87,908.49 = 21,173.09 : x
  2. Step 2: Convert to fraction form
    58,617.63/87,908.49 = 21,173.09/x
  3. Step 3: Cross multiply
    58,617.63x = 87,908.49 × 21,173.09
  4. Step 4: Simplify right side
    58,617.63x = 1,861,294,260.65
  5. Step 5: Solve for x
    x = 1,861,294,260.65/58,617.63
  6. Step 6: Final answer
    x = 31,753.15

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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.