Home / 31,093.56-42,679.53-27,661.20

Finding the Fourth Proportional to 31,093.56, 42,679.53 and 27,661.20

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Solution

The fourth proportional to 31,093.56, 42,679.53 and 27,661.20 is: 37,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.56 : 42,679.53 = 27,661.20 : x
  2. Step 2: Convert to fraction form
    31,093.56/42,679.53 = 27,661.20/x
  3. Step 3: Cross multiply
    31,093.56x = 42,679.53 × 27,661.20
  4. Step 4: Simplify right side
    31,093.56x = 1,180,567,015.24
  5. Step 5: Solve for x
    x = 1,180,567,015.24/31,093.56
  6. Step 6: Final answer
    x = 37,968.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.