Home / 39,113.22-53,983.35-25,660.74

Finding the Fourth Proportional to 39,113.22, 53,983.35 and 25,660.74

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Solution

The fourth proportional to 39,113.22, 53,983.35 and 25,660.74 is: 35,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.22 : 53,983.35 = 25,660.74 : x
  2. Step 2: Convert to fraction form
    39,113.22/53,983.35 = 25,660.74/x
  3. Step 3: Cross multiply
    39,113.22x = 53,983.35 × 25,660.74
  4. Step 4: Simplify right side
    39,113.22x = 1,385,252,708.68
  5. Step 5: Solve for x
    x = 1,385,252,708.68/39,113.22
  6. Step 6: Final answer
    x = 35,416.48

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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.