Home / 40,393-55,746.66-23,640.04

Finding the Fourth Proportional to 40,393, 55,746.66 and 23,640.04

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Solution

The fourth proportional to 40,393, 55,746.66 and 23,640.04 is: 32,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393 : 55,746.66 = 23,640.04 : x
  2. Step 2: Convert to fraction form
    40,393/55,746.66 = 23,640.04/x
  3. Step 3: Cross multiply
    40,393x = 55,746.66 × 23,640.04
  4. Step 4: Simplify right side
    40,393x = 1,317,853,272.27
  5. Step 5: Solve for x
    x = 1,317,853,272.27/40,393
  6. Step 6: Final answer
    x = 32,625.78

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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.