Home / 58,584.62-87,858.75-21,139.83

Finding the Fourth Proportional to 58,584.62, 87,858.75 and 21,139.83

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Solution

The fourth proportional to 58,584.62, 87,858.75 and 21,139.83 is: 31,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,584.62 : 87,858.75 = 21,139.83 : x
  2. Step 2: Convert to fraction form
    58,584.62/87,858.75 = 21,139.83/x
  3. Step 3: Cross multiply
    58,584.62x = 87,858.75 × 21,139.83
  4. Step 4: Simplify right side
    58,584.62x = 1,857,319,039.01
  5. Step 5: Solve for x
    x = 1,857,319,039.01/58,584.62
  6. Step 6: Final answer
    x = 31,703.18

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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.