Home / 37,059.12-51,143.40-21,146.67

Finding the Fourth Proportional to 37,059.12, 51,143.40 and 21,146.67

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Solution

The fourth proportional to 37,059.12, 51,143.40 and 21,146.67 is: 29,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,059.12 : 51,143.40 = 21,146.67 : x
  2. Step 2: Convert to fraction form
    37,059.12/51,143.40 = 21,146.67/x
  3. Step 3: Cross multiply
    37,059.12x = 51,143.40 × 21,146.67
  4. Step 4: Simplify right side
    37,059.12x = 1,081,512,602.48
  5. Step 5: Solve for x
    x = 1,081,512,602.48/37,059.12
  6. Step 6: Final answer
    x = 29,183.44

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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.