Home / 38,027.04-52,480.08-21,258.96

Finding the Fourth Proportional to 38,027.04, 52,480.08 and 21,258.96

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Solution

The fourth proportional to 38,027.04, 52,480.08 and 21,258.96 is: 29,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.04 : 52,480.08 = 21,258.96 : x
  2. Step 2: Convert to fraction form
    38,027.04/52,480.08 = 21,258.96/x
  3. Step 3: Cross multiply
    38,027.04x = 52,480.08 × 21,258.96
  4. Step 4: Simplify right side
    38,027.04x = 1,115,671,921.52
  5. Step 5: Solve for x
    x = 1,115,671,921.52/38,027.04
  6. Step 6: Final answer
    x = 29,338.91

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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.