Home / 38,043.36-52,499.84-21,276.32

Finding the Fourth Proportional to 38,043.36, 52,499.84 and 21,276.32

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Solution

The fourth proportional to 38,043.36, 52,499.84 and 21,276.32 is: 29,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.36 : 52,499.84 = 21,276.32 : x
  2. Step 2: Convert to fraction form
    38,043.36/52,499.84 = 21,276.32/x
  3. Step 3: Cross multiply
    38,043.36x = 52,499.84 × 21,276.32
  4. Step 4: Simplify right side
    38,043.36x = 1,117,003,395.79
  5. Step 5: Solve for x
    x = 1,117,003,395.79/38,043.36
  6. Step 6: Final answer
    x = 29,361.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.