Home / 36,986.44-51,030.12-21,880.84

Finding the Fourth Proportional to 36,986.44, 51,030.12 and 21,880.84

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Solution

The fourth proportional to 36,986.44, 51,030.12 and 21,880.84 is: 30,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.44 : 51,030.12 = 21,880.84 : x
  2. Step 2: Convert to fraction form
    36,986.44/51,030.12 = 21,880.84/x
  3. Step 3: Cross multiply
    36,986.44x = 51,030.12 × 21,880.84
  4. Step 4: Simplify right side
    36,986.44x = 1,116,581,890.90
  5. Step 5: Solve for x
    x = 1,116,581,890.90/36,986.44
  6. Step 6: Final answer
    x = 30,188.95

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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.