Home / 38,026.20-52,471.50-21,028.08

Finding the Fourth Proportional to 38,026.20, 52,471.50 and 21,028.08

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Solution

The fourth proportional to 38,026.20, 52,471.50 and 21,028.08 is: 29,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,026.20 : 52,471.50 = 21,028.08 : x
  2. Step 2: Convert to fraction form
    38,026.20/52,471.50 = 21,028.08/x
  3. Step 3: Cross multiply
    38,026.20x = 52,471.50 × 21,028.08
  4. Step 4: Simplify right side
    38,026.20x = 1,103,374,899.72
  5. Step 5: Solve for x
    x = 1,103,374,899.72/38,026.20
  6. Step 6: Final answer
    x = 29,016.18

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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.