Home / 31,083.51-42,894.04-16,936.46

Finding the Fourth Proportional to 31,083.51, 42,894.04 and 16,936.46

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Solution

The fourth proportional to 31,083.51, 42,894.04 and 16,936.46 is: 23,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.51 : 42,894.04 = 16,936.46 : x
  2. Step 2: Convert to fraction form
    31,083.51/42,894.04 = 16,936.46/x
  3. Step 3: Cross multiply
    31,083.51x = 42,894.04 × 16,936.46
  4. Step 4: Simplify right side
    31,083.51x = 726,473,192.70
  5. Step 5: Solve for x
    x = 726,473,192.70/31,083.51
  6. Step 6: Final answer
    x = 23,371.66

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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.