Home / 31,079.41-42,889.51-16,932.22

Finding the Fourth Proportional to 31,079.41, 42,889.51 and 16,932.22

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Solution

The fourth proportional to 31,079.41, 42,889.51 and 16,932.22 is: 23,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,079.41 : 42,889.51 = 16,932.22 : x
  2. Step 2: Convert to fraction form
    31,079.41/42,889.51 = 16,932.22/x
  3. Step 3: Cross multiply
    31,079.41x = 42,889.51 × 16,932.22
  4. Step 4: Simplify right side
    31,079.41x = 726,214,619.01
  5. Step 5: Solve for x
    x = 726,214,619.01/31,079.41
  6. Step 6: Final answer
    x = 23,366.42

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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.