Home / 38,090.88-57,136.32-17,320.32

Finding the Fourth Proportional to 38,090.88, 57,136.32 and 17,320.32

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Solution

The fourth proportional to 38,090.88, 57,136.32 and 17,320.32 is: 25,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090.88 : 57,136.32 = 17,320.32 : x
  2. Step 2: Convert to fraction form
    38,090.88/57,136.32 = 17,320.32/x
  3. Step 3: Cross multiply
    38,090.88x = 57,136.32 × 17,320.32
  4. Step 4: Simplify right side
    38,090.88x = 989,619,346.02
  5. Step 5: Solve for x
    x = 989,619,346.02/38,090.88
  6. Step 6: Final answer
    x = 25,980.48

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Half scale
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Double scale
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Similar ratio
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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.