Home / 47,948.20-66,147.78-33,018.28

Finding the Fourth Proportional to 47,948.20, 66,147.78 and 33,018.28

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Solution

The fourth proportional to 47,948.20, 66,147.78 and 33,018.28 is: 45,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.20 : 66,147.78 = 33,018.28 : x
  2. Step 2: Convert to fraction form
    47,948.20/66,147.78 = 33,018.28/x
  3. Step 3: Cross multiply
    47,948.20x = 66,147.78 × 33,018.28
  4. Step 4: Simplify right side
    47,948.20x = 2,184,085,921.42
  5. Step 5: Solve for x
    x = 2,184,085,921.42/47,948.20
  6. Step 6: Final answer
    x = 45,550.95

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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.