Home / 37,018.78-51,085.75-20,023.05

Finding the Fourth Proportional to 37,018.78, 51,085.75 and 20,023.05

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Solution

The fourth proportional to 37,018.78, 51,085.75 and 20,023.05 is: 27,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,018.78 : 51,085.75 = 20,023.05 : x
  2. Step 2: Convert to fraction form
    37,018.78/51,085.75 = 20,023.05/x
  3. Step 3: Cross multiply
    37,018.78x = 51,085.75 × 20,023.05
  4. Step 4: Simplify right side
    37,018.78x = 1,022,892,526.54
  5. Step 5: Solve for x
    x = 1,022,892,526.54/37,018.78
  6. Step 6: Final answer
    x = 27,631.72

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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.