Home / 38,254.43-52,790.08-21,258.25

Finding the Fourth Proportional to 38,254.43, 52,790.08 and 21,258.25

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Solution

The fourth proportional to 38,254.43, 52,790.08 and 21,258.25 is: 29,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.43 : 52,790.08 = 21,258.25 : x
  2. Step 2: Convert to fraction form
    38,254.43/52,790.08 = 21,258.25/x
  3. Step 3: Cross multiply
    38,254.43x = 52,790.08 × 21,258.25
  4. Step 4: Simplify right side
    38,254.43x = 1,122,224,572.90
  5. Step 5: Solve for x
    x = 1,122,224,572.90/38,254.43
  6. Step 6: Final answer
    x = 29,335.81

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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.