Home / 37,646.05-51,951.63-20,650.45

Finding the Fourth Proportional to 37,646.05, 51,951.63 and 20,650.45

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Solution

The fourth proportional to 37,646.05, 51,951.63 and 20,650.45 is: 28,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,646.05 : 51,951.63 = 20,650.45 : x
  2. Step 2: Convert to fraction form
    37,646.05/51,951.63 = 20,650.45/x
  3. Step 3: Cross multiply
    37,646.05x = 51,951.63 × 20,650.45
  4. Step 4: Simplify right side
    37,646.05x = 1,072,824,537.73
  5. Step 5: Solve for x
    x = 1,072,824,537.73/37,646.05
  6. Step 6: Final answer
    x = 28,497.67

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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.