Home / 31,099.73-42,917.51-16,952.56

Finding the Fourth Proportional to 31,099.73, 42,917.51 and 16,952.56

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Solution

The fourth proportional to 31,099.73, 42,917.51 and 16,952.56 is: 23,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.73 : 42,917.51 = 16,952.56 : x
  2. Step 2: Convert to fraction form
    31,099.73/42,917.51 = 16,952.56/x
  3. Step 3: Cross multiply
    31,099.73x = 42,917.51 × 16,952.56
  4. Step 4: Simplify right side
    31,099.73x = 727,561,598.41
  5. Step 5: Solve for x
    x = 727,561,598.41/31,099.73
  6. Step 6: Final answer
    x = 23,394.47

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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.