Home / 58,379.26-87,582.81-18,936.46

Finding the Fourth Proportional to 58,379.26, 87,582.81 and 18,936.46

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Solution

The fourth proportional to 58,379.26, 87,582.81 and 18,936.46 is: 28,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.26 : 87,582.81 = 18,936.46 : x
  2. Step 2: Convert to fraction form
    58,379.26/87,582.81 = 18,936.46/x
  3. Step 3: Cross multiply
    58,379.26x = 87,582.81 × 18,936.46
  4. Step 4: Simplify right side
    58,379.26x = 1,658,508,378.25
  5. Step 5: Solve for x
    x = 1,658,508,378.25/58,379.26
  6. Step 6: Final answer
    x = 28,409.21

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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.