Home / 39,137.74-54,013.71-22,367.50

Finding the Fourth Proportional to 39,137.74, 54,013.71 and 22,367.50

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Solution

The fourth proportional to 39,137.74, 54,013.71 and 22,367.50 is: 30,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.74 : 54,013.71 = 22,367.50 : x
  2. Step 2: Convert to fraction form
    39,137.74/54,013.71 = 22,367.50/x
  3. Step 3: Cross multiply
    39,137.74x = 54,013.71 × 22,367.50
  4. Step 4: Simplify right side
    39,137.74x = 1,208,151,658.43
  5. Step 5: Solve for x
    x = 1,208,151,658.43/39,137.74
  6. Step 6: Final answer
    x = 30,869.22

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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.