Home / 58,051.26-87,115.68-21,115.26

Finding the Fourth Proportional to 58,051.26, 87,115.68 and 21,115.26

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Solution

The fourth proportional to 58,051.26, 87,115.68 and 21,115.26 is: 31,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,051.26 : 87,115.68 = 21,115.26 : x
  2. Step 2: Convert to fraction form
    58,051.26/87,115.68 = 21,115.26/x
  3. Step 3: Cross multiply
    58,051.26x = 87,115.68 × 21,115.26
  4. Step 4: Simplify right side
    58,051.26x = 1,839,470,233.28
  5. Step 5: Solve for x
    x = 1,839,470,233.28/58,051.26
  6. Step 6: Final answer
    x = 31,687.00

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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.