Home / 33,795.47-46,635.86-18,687.21

Finding the Fourth Proportional to 33,795.47, 46,635.86 and 18,687.21

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Solution

The fourth proportional to 33,795.47, 46,635.86 and 18,687.21 is: 25,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,795.47 : 46,635.86 = 18,687.21 : x
  2. Step 2: Convert to fraction form
    33,795.47/46,635.86 = 18,687.21/x
  3. Step 3: Cross multiply
    33,795.47x = 46,635.86 × 18,687.21
  4. Step 4: Simplify right side
    33,795.47x = 871,494,015.91
  5. Step 5: Solve for x
    x = 871,494,015.91/33,795.47
  6. Step 6: Final answer
    x = 25,787.31

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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.