Home / 39,702.42-54,789.39-22,935.42

Finding the Fourth Proportional to 39,702.42, 54,789.39 and 22,935.42

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Solution

The fourth proportional to 39,702.42, 54,789.39 and 22,935.42 is: 31,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,702.42 : 54,789.39 = 22,935.42 : x
  2. Step 2: Convert to fraction form
    39,702.42/54,789.39 = 22,935.42/x
  3. Step 3: Cross multiply
    39,702.42x = 54,789.39 × 22,935.42
  4. Step 4: Simplify right side
    39,702.42x = 1,256,617,671.19
  5. Step 5: Solve for x
    x = 1,256,617,671.19/39,702.42
  6. Step 6: Final answer
    x = 31,650.91

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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.