Home / 31,748.07-47,621.70-10,692.75

Finding the Fourth Proportional to 31,748.07, 47,621.70 and 10,692.75

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Solution

The fourth proportional to 31,748.07, 47,621.70 and 10,692.75 is: 16,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.07 : 47,621.70 = 10,692.75 : x
  2. Step 2: Convert to fraction form
    31,748.07/47,621.70 = 10,692.75/x
  3. Step 3: Cross multiply
    31,748.07x = 47,621.70 × 10,692.75
  4. Step 4: Simplify right side
    31,748.07x = 509,206,932.68
  5. Step 5: Solve for x
    x = 509,206,932.68/31,748.07
  6. Step 6: Final answer
    x = 16,038.99

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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.