Home / 33,074.67-45,643.75-18,734.57

Finding the Fourth Proportional to 33,074.67, 45,643.75 and 18,734.57

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Solution

The fourth proportional to 33,074.67, 45,643.75 and 18,734.57 is: 25,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,074.67 : 45,643.75 = 18,734.57 : x
  2. Step 2: Convert to fraction form
    33,074.67/45,643.75 = 18,734.57/x
  3. Step 3: Cross multiply
    33,074.67x = 45,643.75 × 18,734.57
  4. Step 4: Simplify right side
    33,074.67x = 855,115,801.22
  5. Step 5: Solve for x
    x = 855,115,801.22/33,074.67
  6. Step 6: Final answer
    x = 25,854.10

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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.