Home / 39,696.46-54,785.47-22,702.28

Finding the Fourth Proportional to 39,696.46, 54,785.47 and 22,702.28

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Solution

The fourth proportional to 39,696.46, 54,785.47 and 22,702.28 is: 31,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,696.46 : 54,785.47 = 22,702.28 : x
  2. Step 2: Convert to fraction form
    39,696.46/54,785.47 = 22,702.28/x
  3. Step 3: Cross multiply
    39,696.46x = 54,785.47 × 22,702.28
  4. Step 4: Simplify right side
    39,696.46x = 1,243,755,079.87
  5. Step 5: Solve for x
    x = 1,243,755,079.87/39,696.46
  6. Step 6: Final answer
    x = 31,331.64

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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.