Home / 31,222.08-43,086.20-17,075.03

Finding the Fourth Proportional to 31,222.08, 43,086.20 and 17,075.03

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Solution

The fourth proportional to 31,222.08, 43,086.20 and 17,075.03 is: 23,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,222.08 : 43,086.20 = 17,075.03 : x
  2. Step 2: Convert to fraction form
    31,222.08/43,086.20 = 17,075.03/x
  3. Step 3: Cross multiply
    31,222.08x = 43,086.20 × 17,075.03
  4. Step 4: Simplify right side
    31,222.08x = 735,697,856.78
  5. Step 5: Solve for x
    x = 735,697,856.78/31,222.08
  6. Step 6: Final answer
    x = 23,563.38

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1.5x scale

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.