Home / 29,716.90-40,975.71-18,947.41

Finding the Fourth Proportional to 29,716.90, 40,975.71 and 18,947.41

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Solution

The fourth proportional to 29,716.90, 40,975.71 and 18,947.41 is: 26,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,716.90 : 40,975.71 = 18,947.41 : x
  2. Step 2: Convert to fraction form
    29,716.90/40,975.71 = 18,947.41/x
  3. Step 3: Cross multiply
    29,716.90x = 40,975.71 × 18,947.41
  4. Step 4: Simplify right side
    29,716.90x = 776,383,577.41
  5. Step 5: Solve for x
    x = 776,383,577.41/29,716.90
  6. Step 6: Final answer
    x = 26,125.99

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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.