Home / 38,019.30-52,464.51-21,022.56

Finding the Fourth Proportional to 38,019.30, 52,464.51 and 21,022.56

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Solution

The fourth proportional to 38,019.30, 52,464.51 and 21,022.56 is: 29,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.30 : 52,464.51 = 21,022.56 : x
  2. Step 2: Convert to fraction form
    38,019.30/52,464.51 = 21,022.56/x
  3. Step 3: Cross multiply
    38,019.30x = 52,464.51 × 21,022.56
  4. Step 4: Simplify right side
    38,019.30x = 1,102,938,309.35
  5. Step 5: Solve for x
    x = 1,102,938,309.35/38,019.30
  6. Step 6: Final answer
    x = 29,009.96

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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.