Home / 31,382.58-47,075.49-8,009.22

Finding the Fourth Proportional to 31,382.58, 47,075.49 and 8,009.22

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Solution

The fourth proportional to 31,382.58, 47,075.49 and 8,009.22 is: 12,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.58 : 47,075.49 = 8,009.22 : x
  2. Step 2: Convert to fraction form
    31,382.58/47,075.49 = 8,009.22/x
  3. Step 3: Cross multiply
    31,382.58x = 47,075.49 × 8,009.22
  4. Step 4: Simplify right side
    31,382.58x = 377,037,956.02
  5. Step 5: Solve for x
    x = 377,037,956.02/31,382.58
  6. Step 6: Final answer
    x = 12,014.24

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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.