Home / 58,434.44-87,665.38-18,991.56

Finding the Fourth Proportional to 58,434.44, 87,665.38 and 18,991.56

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Solution

The fourth proportional to 58,434.44, 87,665.38 and 18,991.56 is: 28,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,434.44 : 87,665.38 = 18,991.56 : x
  2. Step 2: Convert to fraction form
    58,434.44/87,665.38 = 18,991.56/x
  3. Step 3: Cross multiply
    58,434.44x = 87,665.38 × 18,991.56
  4. Step 4: Simplify right side
    58,434.44x = 1,664,902,324.19
  5. Step 5: Solve for x
    x = 1,664,902,324.19/58,434.44
  6. Step 6: Final answer
    x = 28,491.80

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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.