Home / 31,073.56-42,880.10-16,926.36

Finding the Fourth Proportional to 31,073.56, 42,880.10 and 16,926.36

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Solution

The fourth proportional to 31,073.56, 42,880.10 and 16,926.36 is: 23,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.56 : 42,880.10 = 16,926.36 : x
  2. Step 2: Convert to fraction form
    31,073.56/42,880.10 = 16,926.36/x
  3. Step 3: Cross multiply
    31,073.56x = 42,880.10 × 16,926.36
  4. Step 4: Simplify right side
    31,073.56x = 725,804,009.44
  5. Step 5: Solve for x
    x = 725,804,009.44/31,073.56
  6. Step 6: Final answer
    x = 23,357.61

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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.