Home / 39,983.16-55,135.35-34,336.60

Finding the Fourth Proportional to 39,983.16, 55,135.35 and 34,336.60

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Solution

The fourth proportional to 39,983.16, 55,135.35 and 34,336.60 is: 47,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.16 : 55,135.35 = 34,336.60 : x
  2. Step 2: Convert to fraction form
    39,983.16/55,135.35 = 34,336.60/x
  3. Step 3: Cross multiply
    39,983.16x = 55,135.35 × 34,336.60
  4. Step 4: Simplify right side
    39,983.16x = 1,893,160,458.81
  5. Step 5: Solve for x
    x = 1,893,160,458.81/39,983.16
  6. Step 6: Final answer
    x = 47,348.95

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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.