Home / 37,646.10-51,950.85-20,879.10

Finding the Fourth Proportional to 37,646.10, 51,950.85 and 20,879.10

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Solution

The fourth proportional to 37,646.10, 51,950.85 and 20,879.10 is: 28,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,646.10 : 51,950.85 = 20,879.10 : x
  2. Step 2: Convert to fraction form
    37,646.10/51,950.85 = 20,879.10/x
  3. Step 3: Cross multiply
    37,646.10x = 51,950.85 × 20,879.10
  4. Step 4: Simplify right side
    37,646.10x = 1,084,686,992.24
  5. Step 5: Solve for x
    x = 1,084,686,992.24/37,646.10
  6. Step 6: Final answer
    x = 28,812.73

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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.