Home / 39,946.48-55,128.66-22,956.16

Finding the Fourth Proportional to 39,946.48, 55,128.66 and 22,956.16

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Solution

The fourth proportional to 39,946.48, 55,128.66 and 22,956.16 is: 31,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.48 : 55,128.66 = 22,956.16 : x
  2. Step 2: Convert to fraction form
    39,946.48/55,128.66 = 22,956.16/x
  3. Step 3: Cross multiply
    39,946.48x = 55,128.66 × 22,956.16
  4. Step 4: Simplify right side
    39,946.48x = 1,265,542,339.55
  5. Step 5: Solve for x
    x = 1,265,542,339.55/39,946.48
  6. Step 6: Final answer
    x = 31,680.95

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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.