Home / 38,496.06-57,763.26-21,618.60

Finding the Fourth Proportional to 38,496.06, 57,763.26 and 21,618.60

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Solution

The fourth proportional to 38,496.06, 57,763.26 and 21,618.60 is: 32,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.06 : 57,763.26 = 21,618.60 : x
  2. Step 2: Convert to fraction form
    38,496.06/57,763.26 = 21,618.60/x
  3. Step 3: Cross multiply
    38,496.06x = 57,763.26 × 21,618.60
  4. Step 4: Simplify right side
    38,496.06x = 1,248,760,812.64
  5. Step 5: Solve for x
    x = 1,248,760,812.64/38,496.06
  6. Step 6: Final answer
    x = 32,438.67

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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.