Home / 31,765.04-47,676.12-16,986.60

Finding the Fourth Proportional to 31,765.04, 47,676.12 and 16,986.60

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Solution

The fourth proportional to 31,765.04, 47,676.12 and 16,986.60 is: 25,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.04 : 47,676.12 = 16,986.60 : x
  2. Step 2: Convert to fraction form
    31,765.04/47,676.12 = 16,986.60/x
  3. Step 3: Cross multiply
    31,765.04x = 47,676.12 × 16,986.60
  4. Step 4: Simplify right side
    31,765.04x = 809,855,179.99
  5. Step 5: Solve for x
    x = 809,855,179.99/31,765.04
  6. Step 6: Final answer
    x = 25,495.17

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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.