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Finding the Fourth Proportional to 39,702.63, 54,794.49 and 22,935.63

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Solution

The fourth proportional to 39,702.63, 54,794.49 and 22,935.63 is: 31,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,702.63 : 54,794.49 = 22,935.63 : x
  2. Step 2: Convert to fraction form
    39,702.63/54,794.49 = 22,935.63/x
  3. Step 3: Cross multiply
    39,702.63x = 54,794.49 × 22,935.63
  4. Step 4: Simplify right side
    39,702.63x = 1,256,746,148.68
  5. Step 5: Solve for x
    x = 1,256,746,148.68/39,702.63
  6. Step 6: Final answer
    x = 31,653.98

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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.