Home / 31,283.67-43,171.13-16,943.27

Finding the Fourth Proportional to 31,283.67, 43,171.13 and 16,943.27

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Solution

The fourth proportional to 31,283.67, 43,171.13 and 16,943.27 is: 23,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.67 : 43,171.13 = 16,943.27 : x
  2. Step 2: Convert to fraction form
    31,283.67/43,171.13 = 16,943.27/x
  3. Step 3: Cross multiply
    31,283.67x = 43,171.13 × 16,943.27
  4. Step 4: Simplify right side
    31,283.67x = 731,459,811.22
  5. Step 5: Solve for x
    x = 731,459,811.22/31,283.67
  6. Step 6: Final answer
    x = 23,381.52

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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.