Home / 53,355.78-80,033.67-18,295.74

Finding the Fourth Proportional to 53,355.78, 80,033.67 and 18,295.74

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Solution

The fourth proportional to 53,355.78, 80,033.67 and 18,295.74 is: 27,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.78 : 80,033.67 = 18,295.74 : x
  2. Step 2: Convert to fraction form
    53,355.78/80,033.67 = 18,295.74/x
  3. Step 3: Cross multiply
    53,355.78x = 80,033.67 × 18,295.74
  4. Step 4: Simplify right side
    53,355.78x = 1,464,275,217.57
  5. Step 5: Solve for x
    x = 1,464,275,217.57/53,355.78
  6. Step 6: Final answer
    x = 27,443.61

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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.