Home / 31,974.24-47,990.90-16,190.36

Finding the Fourth Proportional to 31,974.24, 47,990.90 and 16,190.36

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Solution

The fourth proportional to 31,974.24, 47,990.90 and 16,190.36 is: 24,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.24 : 47,990.90 = 16,190.36 : x
  2. Step 2: Convert to fraction form
    31,974.24/47,990.90 = 16,190.36/x
  3. Step 3: Cross multiply
    31,974.24x = 47,990.90 × 16,190.36
  4. Step 4: Simplify right side
    31,974.24x = 776,989,947.72
  5. Step 5: Solve for x
    x = 776,989,947.72/31,974.24
  6. Step 6: Final answer
    x = 24,300.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.