Home / 33,421.95-46,121.56-18,314.28

Finding the Fourth Proportional to 33,421.95, 46,121.56 and 18,314.28

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Solution

The fourth proportional to 33,421.95, 46,121.56 and 18,314.28 is: 25,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.95 : 46,121.56 = 18,314.28 : x
  2. Step 2: Convert to fraction form
    33,421.95/46,121.56 = 18,314.28/x
  3. Step 3: Cross multiply
    33,421.95x = 46,121.56 × 18,314.28
  4. Step 4: Simplify right side
    33,421.95x = 844,683,163.88
  5. Step 5: Solve for x
    x = 844,683,163.88/33,421.95
  6. Step 6: Final answer
    x = 25,273.31

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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.