Home / 58,622.64-87,934.82-18,647.79

Finding the Fourth Proportional to 58,622.64, 87,934.82 and 18,647.79

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Solution

The fourth proportional to 58,622.64, 87,934.82 and 18,647.79 is: 27,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,622.64 : 87,934.82 = 18,647.79 : x
  2. Step 2: Convert to fraction form
    58,622.64/87,934.82 = 18,647.79/x
  3. Step 3: Cross multiply
    58,622.64x = 87,934.82 × 18,647.79
  4. Step 4: Simplify right side
    58,622.64x = 1,639,790,103.67
  5. Step 5: Solve for x
    x = 1,639,790,103.67/58,622.64
  6. Step 6: Final answer
    x = 27,971.96

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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.