Home / 31,218.41-42,941.44-27,371.01

Finding the Fourth Proportional to 31,218.41, 42,941.44 and 27,371.01

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Solution

The fourth proportional to 31,218.41, 42,941.44 and 27,371.01 is: 37,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.41 : 42,941.44 = 27,371.01 : x
  2. Step 2: Convert to fraction form
    31,218.41/42,941.44 = 27,371.01/x
  3. Step 3: Cross multiply
    31,218.41x = 42,941.44 × 27,371.01
  4. Step 4: Simplify right side
    31,218.41x = 1,175,350,778.90
  5. Step 5: Solve for x
    x = 1,175,350,778.90/31,218.41
  6. Step 6: Final answer
    x = 37,649.28

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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.