Home / 38,258.19-52,796.25-21,261.90

Finding the Fourth Proportional to 38,258.19, 52,796.25 and 21,261.90

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Solution

The fourth proportional to 38,258.19, 52,796.25 and 21,261.90 is: 29,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,258.19 : 52,796.25 = 21,261.90 : x
  2. Step 2: Convert to fraction form
    38,258.19/52,796.25 = 21,261.90/x
  3. Step 3: Cross multiply
    38,258.19x = 52,796.25 × 21,261.90
  4. Step 4: Simplify right side
    38,258.19x = 1,122,548,587.88
  5. Step 5: Solve for x
    x = 1,122,548,587.88/38,258.19
  6. Step 6: Final answer
    x = 29,341.39

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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.