Home / 37,772.63-52,127.37-20,775.99

Finding the Fourth Proportional to 37,772.63, 52,127.37 and 20,775.99

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Solution

The fourth proportional to 37,772.63, 52,127.37 and 20,775.99 is: 28,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,772.63 : 52,127.37 = 20,775.99 : x
  2. Step 2: Convert to fraction form
    37,772.63/52,127.37 = 20,775.99/x
  3. Step 3: Cross multiply
    37,772.63x = 52,127.37 × 20,775.99
  4. Step 4: Simplify right side
    37,772.63x = 1,082,997,717.85
  5. Step 5: Solve for x
    x = 1,082,997,717.85/37,772.63
  6. Step 6: Final answer
    x = 28,671.50

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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.