Home / 33,211.23-45,830.16-18,103.57

Finding the Fourth Proportional to 33,211.23, 45,830.16 and 18,103.57

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Solution

The fourth proportional to 33,211.23, 45,830.16 and 18,103.57 is: 24,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.23 : 45,830.16 = 18,103.57 : x
  2. Step 2: Convert to fraction form
    33,211.23/45,830.16 = 18,103.57/x
  3. Step 3: Cross multiply
    33,211.23x = 45,830.16 × 18,103.57
  4. Step 4: Simplify right side
    33,211.23x = 829,689,509.67
  5. Step 5: Solve for x
    x = 829,689,509.67/33,211.23
  6. Step 6: Final answer
    x = 24,982.20

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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.