Home / 47,971.95-66,183.80-30,067.71

Finding the Fourth Proportional to 47,971.95, 66,183.80 and 30,067.71

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Solution

The fourth proportional to 47,971.95, 66,183.80 and 30,067.71 is: 41,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.95 : 66,183.80 = 30,067.71 : x
  2. Step 2: Convert to fraction form
    47,971.95/66,183.80 = 30,067.71/x
  3. Step 3: Cross multiply
    47,971.95x = 66,183.80 × 30,067.71
  4. Step 4: Simplify right side
    47,971.95x = 1,989,995,154.76
  5. Step 5: Solve for x
    x = 1,989,995,154.76/47,971.95
  6. Step 6: Final answer
    x = 41,482.47

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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.