Home / 47,947.38-66,176.01-30,057.90

Finding the Fourth Proportional to 47,947.38, 66,176.01 and 30,057.90

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Solution

The fourth proportional to 47,947.38, 66,176.01 and 30,057.90 is: 41,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,947.38 : 66,176.01 = 30,057.90 : x
  2. Step 2: Convert to fraction form
    47,947.38/66,176.01 = 30,057.90/x
  3. Step 3: Cross multiply
    47,947.38x = 66,176.01 × 30,057.90
  4. Step 4: Simplify right side
    47,947.38x = 1,989,111,890.98
  5. Step 5: Solve for x
    x = 1,989,111,890.98/47,947.38
  6. Step 6: Final answer
    x = 41,485.31

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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.