Home / 33,140.50-45,718.76-19,704.11

Finding the Fourth Proportional to 33,140.50, 45,718.76 and 19,704.11

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Solution

The fourth proportional to 33,140.50, 45,718.76 and 19,704.11 is: 27,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.50 : 45,718.76 = 19,704.11 : x
  2. Step 2: Convert to fraction form
    33,140.50/45,718.76 = 19,704.11/x
  3. Step 3: Cross multiply
    33,140.50x = 45,718.76 × 19,704.11
  4. Step 4: Simplify right side
    33,140.50x = 900,847,296.77
  5. Step 5: Solve for x
    x = 900,847,296.77/33,140.50
  6. Step 6: Final answer
    x = 27,182.67

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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.