Home / 35,817.20-53,706.90-12,116.60

Finding the Fourth Proportional to 35,817.20, 53,706.90 and 12,116.60

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Solution

The fourth proportional to 35,817.20, 53,706.90 and 12,116.60 is: 18,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,817.20 : 53,706.90 = 12,116.60 : x
  2. Step 2: Convert to fraction form
    35,817.20/53,706.90 = 12,116.60/x
  3. Step 3: Cross multiply
    35,817.20x = 53,706.90 × 12,116.60
  4. Step 4: Simplify right side
    35,817.20x = 650,745,024.54
  5. Step 5: Solve for x
    x = 650,745,024.54/35,817.20
  6. Step 6: Final answer
    x = 18,168.51

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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.