Home / 39,981.36-55,190.70-27,276.48

Finding the Fourth Proportional to 39,981.36, 55,190.70 and 27,276.48

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Solution

The fourth proportional to 39,981.36, 55,190.70 and 27,276.48 is: 37,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.36 : 55,190.70 = 27,276.48 : x
  2. Step 2: Convert to fraction form
    39,981.36/55,190.70 = 27,276.48/x
  3. Step 3: Cross multiply
    39,981.36x = 55,190.70 × 27,276.48
  4. Step 4: Simplify right side
    39,981.36x = 1,505,408,024.74
  5. Step 5: Solve for x
    x = 1,505,408,024.74/39,981.36
  6. Step 6: Final answer
    x = 37,652.75

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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.