Home / 39,112.22-53,981.97-25,659.74

Finding the Fourth Proportional to 39,112.22, 53,981.97 and 25,659.74

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Solution

The fourth proportional to 39,112.22, 53,981.97 and 25,659.74 is: 35,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.22 : 53,981.97 = 25,659.74 : x
  2. Step 2: Convert to fraction form
    39,112.22/53,981.97 = 25,659.74/x
  3. Step 3: Cross multiply
    39,112.22x = 53,981.97 × 25,659.74
  4. Step 4: Simplify right side
    39,112.22x = 1,385,163,314.89
  5. Step 5: Solve for x
    x = 1,385,163,314.89/39,112.22
  6. Step 6: Final answer
    x = 35,415.10

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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.