Home / 58,396.14-87,619.32-18,965.34

Finding the Fourth Proportional to 58,396.14, 87,619.32 and 18,965.34

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Solution

The fourth proportional to 58,396.14, 87,619.32 and 18,965.34 is: 28,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,396.14 : 87,619.32 = 18,965.34 : x
  2. Step 2: Convert to fraction form
    58,396.14/87,619.32 = 18,965.34/x
  3. Step 3: Cross multiply
    58,396.14x = 87,619.32 × 18,965.34
  4. Step 4: Simplify right side
    58,396.14x = 1,661,730,194.37
  5. Step 5: Solve for x
    x = 1,661,730,194.37/58,396.14
  6. Step 6: Final answer
    x = 28,456.16

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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.