Home / 55,532.75-76,555.44-39,589.52

Finding the Fourth Proportional to 55,532.75, 76,555.44 and 39,589.52

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Solution

The fourth proportional to 55,532.75, 76,555.44 and 39,589.52 is: 54,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,532.75 : 76,555.44 = 39,589.52 : x
  2. Step 2: Convert to fraction form
    55,532.75/76,555.44 = 39,589.52/x
  3. Step 3: Cross multiply
    55,532.75x = 76,555.44 × 39,589.52
  4. Step 4: Simplify right side
    55,532.75x = 3,030,792,740.21
  5. Step 5: Solve for x
    x = 3,030,792,740.21/55,532.75
  6. Step 6: Final answer
    x = 54,576.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.