Home / 32,022.88-47,915.39-20,120.93

Finding the Fourth Proportional to 32,022.88, 47,915.39 and 20,120.93

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Solution

The fourth proportional to 32,022.88, 47,915.39 and 20,120.93 is: 30,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,022.88 : 47,915.39 = 20,120.93 : x
  2. Step 2: Convert to fraction form
    32,022.88/47,915.39 = 20,120.93/x
  3. Step 3: Cross multiply
    32,022.88x = 47,915.39 × 20,120.93
  4. Step 4: Simplify right side
    32,022.88x = 964,102,191.81
  5. Step 5: Solve for x
    x = 964,102,191.81/32,022.88
  6. Step 6: Final answer
    x = 30,106.67

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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.