Home / 32,769.75-49,154.81-8,145.75

Finding the Fourth Proportional to 32,769.75, 49,154.81 and 8,145.75

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Solution

The fourth proportional to 32,769.75, 49,154.81 and 8,145.75 is: 12,218.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,769.75 : 49,154.81 = 8,145.75 : x
  2. Step 2: Convert to fraction form
    32,769.75/49,154.81 = 8,145.75/x
  3. Step 3: Cross multiply
    32,769.75x = 49,154.81 × 8,145.75
  4. Step 4: Simplify right side
    32,769.75x = 400,402,752.83
  5. Step 5: Solve for x
    x = 400,402,752.83/32,769.75
  6. Step 6: Final answer
    x = 12,218.67

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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.