Home / 58,321.16-87,495.62-18,878.27

Finding the Fourth Proportional to 58,321.16, 87,495.62 and 18,878.27

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Solution

The fourth proportional to 58,321.16, 87,495.62 and 18,878.27 is: 28,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,321.16 : 87,495.62 = 18,878.27 : x
  2. Step 2: Convert to fraction form
    58,321.16/87,495.62 = 18,878.27/x
  3. Step 3: Cross multiply
    58,321.16x = 87,495.62 × 18,878.27
  4. Step 4: Simplify right side
    58,321.16x = 1,651,765,938.18
  5. Step 5: Solve for x
    x = 1,651,765,938.18/58,321.16
  6. Step 6: Final answer
    x = 28,321.90

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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.