Home / 31,371.37-43,186.97-27,180.63

Finding the Fourth Proportional to 31,371.37, 43,186.97 and 27,180.63

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Solution

The fourth proportional to 31,371.37, 43,186.97 and 27,180.63 is: 37,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.37 : 43,186.97 = 27,180.63 : x
  2. Step 2: Convert to fraction form
    31,371.37/43,186.97 = 27,180.63/x
  3. Step 3: Cross multiply
    31,371.37x = 43,186.97 × 27,180.63
  4. Step 4: Simplify right side
    31,371.37x = 1,173,849,120.34
  5. Step 5: Solve for x
    x = 1,173,849,120.34/31,371.37
  6. Step 6: Final answer
    x = 37,417.85

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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.