Home / 39,532.70-54,522.65-28,198.58

Finding the Fourth Proportional to 39,532.70, 54,522.65 and 28,198.58

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Solution

The fourth proportional to 39,532.70, 54,522.65 and 28,198.58 is: 38,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,532.70 : 54,522.65 = 28,198.58 : x
  2. Step 2: Convert to fraction form
    39,532.70/54,522.65 = 28,198.58/x
  3. Step 3: Cross multiply
    39,532.70x = 54,522.65 × 28,198.58
  4. Step 4: Simplify right side
    39,532.70x = 1,537,461,105.72
  5. Step 5: Solve for x
    x = 1,537,461,105.72/39,532.70
  6. Step 6: Final answer
    x = 38,890.87

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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.