Home / 58,629.43-87,943.20-18,647.83

Finding the Fourth Proportional to 58,629.43, 87,943.20 and 18,647.83

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Solution

The fourth proportional to 58,629.43, 87,943.20 and 18,647.83 is: 27,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,629.43 : 87,943.20 = 18,647.83 : x
  2. Step 2: Convert to fraction form
    58,629.43/87,943.20 = 18,647.83/x
  3. Step 3: Cross multiply
    58,629.43x = 87,943.20 × 18,647.83
  4. Step 4: Simplify right side
    58,629.43x = 1,639,949,843.26
  5. Step 5: Solve for x
    x = 1,639,949,843.26/58,629.43
  6. Step 6: Final answer
    x = 27,971.45

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1.5x scale

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.