Home / 31,083.66-42,895.46-16,936.51

Finding the Fourth Proportional to 31,083.66, 42,895.46 and 16,936.51

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Solution

The fourth proportional to 31,083.66, 42,895.46 and 16,936.51 is: 23,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.66 : 42,895.46 = 16,936.51 : x
  2. Step 2: Convert to fraction form
    31,083.66/42,895.46 = 16,936.51/x
  3. Step 3: Cross multiply
    31,083.66x = 42,895.46 × 16,936.51
  4. Step 4: Simplify right side
    31,083.66x = 726,499,322.35
  5. Step 5: Solve for x
    x = 726,499,322.35/31,083.66
  6. Step 6: Final answer
    x = 23,372.38

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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.