Home / 38,020.11-52,468.09-21,025.50

Finding the Fourth Proportional to 38,020.11, 52,468.09 and 21,025.50

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Solution

The fourth proportional to 38,020.11, 52,468.09 and 21,025.50 is: 29,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.11 : 52,468.09 = 21,025.50 : x
  2. Step 2: Convert to fraction form
    38,020.11/52,468.09 = 21,025.50/x
  3. Step 3: Cross multiply
    38,020.11x = 52,468.09 × 21,025.50
  4. Step 4: Simplify right side
    38,020.11x = 1,103,167,826.30
  5. Step 5: Solve for x
    x = 1,103,167,826.30/38,020.11
  6. Step 6: Final answer
    x = 29,015.38

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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.