Home / 37,767.67-52,120.65-20,772.63

Finding the Fourth Proportional to 37,767.67, 52,120.65 and 20,772.63

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Solution

The fourth proportional to 37,767.67, 52,120.65 and 20,772.63 is: 28,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,767.67 : 52,120.65 = 20,772.63 : x
  2. Step 2: Convert to fraction form
    37,767.67/52,120.65 = 20,772.63/x
  3. Step 3: Cross multiply
    37,767.67x = 52,120.65 × 20,772.63
  4. Step 4: Simplify right side
    37,767.67x = 1,082,682,879.91
  5. Step 5: Solve for x
    x = 1,082,682,879.91/37,767.67
  6. Step 6: Final answer
    x = 28,666.92

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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.