Home / 37,645.16-51,951.81-20,650.01

Finding the Fourth Proportional to 37,645.16, 51,951.81 and 20,650.01

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Solution

The fourth proportional to 37,645.16, 51,951.81 and 20,650.01 is: 28,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,645.16 : 51,951.81 = 20,650.01 : x
  2. Step 2: Convert to fraction form
    37,645.16/51,951.81 = 20,650.01/x
  3. Step 3: Cross multiply
    37,645.16x = 51,951.81 × 20,650.01
  4. Step 4: Simplify right side
    37,645.16x = 1,072,805,396.02
  5. Step 5: Solve for x
    x = 1,072,805,396.02/37,645.16
  6. Step 6: Final answer
    x = 28,497.83

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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.