Home / 39,749.64-54,854.52-21,844.49

Finding the Fourth Proportional to 39,749.64, 54,854.52 and 21,844.49

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Solution

The fourth proportional to 39,749.64, 54,854.52 and 21,844.49 is: 30,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.64 : 54,854.52 = 21,844.49 : x
  2. Step 2: Convert to fraction form
    39,749.64/54,854.52 = 21,844.49/x
  3. Step 3: Cross multiply
    39,749.64x = 54,854.52 × 21,844.49
  4. Step 4: Simplify right side
    39,749.64x = 1,198,268,657.41
  5. Step 5: Solve for x
    x = 1,198,268,657.41/39,749.64
  6. Step 6: Final answer
    x = 30,145.40

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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.