Home / 39,976.56-55,240.92-34,654.32

Finding the Fourth Proportional to 39,976.56, 55,240.92 and 34,654.32

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Solution

The fourth proportional to 39,976.56, 55,240.92 and 34,654.32 is: 47,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.56 : 55,240.92 = 34,654.32 : x
  2. Step 2: Convert to fraction form
    39,976.56/55,240.92 = 34,654.32/x
  3. Step 3: Cross multiply
    39,976.56x = 55,240.92 × 34,654.32
  4. Step 4: Simplify right side
    39,976.56x = 1,914,336,518.77
  5. Step 5: Solve for x
    x = 1,914,336,518.77/39,976.56
  6. Step 6: Final answer
    x = 47,886.47

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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.