Home / 32,990.50-49,512.30-18,767.71

Finding the Fourth Proportional to 32,990.50, 49,512.30 and 18,767.71

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Solution

The fourth proportional to 32,990.50, 49,512.30 and 18,767.71 is: 28,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.50 : 49,512.30 = 18,767.71 : x
  2. Step 2: Convert to fraction form
    32,990.50/49,512.30 = 18,767.71/x
  3. Step 3: Cross multiply
    32,990.50x = 49,512.30 × 18,767.71
  4. Step 4: Simplify right side
    32,990.50x = 929,232,487.83
  5. Step 5: Solve for x
    x = 929,232,487.83/32,990.50
  6. Step 6: Final answer
    x = 28,166.67

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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.