Home / 33,211.93-45,830.77-18,869.88

Finding the Fourth Proportional to 33,211.93, 45,830.77 and 18,869.88

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Solution

The fourth proportional to 33,211.93, 45,830.77 and 18,869.88 is: 26,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.93 : 45,830.77 = 18,869.88 : x
  2. Step 2: Convert to fraction form
    33,211.93/45,830.77 = 18,869.88/x
  3. Step 3: Cross multiply
    33,211.93x = 45,830.77 × 18,869.88
  4. Step 4: Simplify right side
    33,211.93x = 864,821,130.21
  5. Step 5: Solve for x
    x = 864,821,130.21/33,211.93
  6. Step 6: Final answer
    x = 26,039.47

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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.