Home / 37,153.42-51,272.08-20,157.60

Finding the Fourth Proportional to 37,153.42, 51,272.08 and 20,157.60

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Solution

The fourth proportional to 37,153.42, 51,272.08 and 20,157.60 is: 27,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.42 : 51,272.08 = 20,157.60 : x
  2. Step 2: Convert to fraction form
    37,153.42/51,272.08 = 20,157.60/x
  3. Step 3: Cross multiply
    37,153.42x = 51,272.08 × 20,157.60
  4. Step 4: Simplify right side
    37,153.42x = 1,033,522,079.81
  5. Step 5: Solve for x
    x = 1,033,522,079.81/37,153.42
  6. Step 6: Final answer
    x = 27,817.68

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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.