Home / 33,011.20-49,524.40-13,290.40

Finding the Fourth Proportional to 33,011.20, 49,524.40 and 13,290.40

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Solution

The fourth proportional to 33,011.20, 49,524.40 and 13,290.40 is: 19,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.20 : 49,524.40 = 13,290.40 : x
  2. Step 2: Convert to fraction form
    33,011.20/49,524.40 = 13,290.40/x
  3. Step 3: Cross multiply
    33,011.20x = 49,524.40 × 13,290.40
  4. Step 4: Simplify right side
    33,011.20x = 658,199,085.76
  5. Step 5: Solve for x
    x = 658,199,085.76/33,011.20
  6. Step 6: Final answer
    x = 19,938.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.