Home / 38,874.24-53,652.96-21,886.20

Finding the Fourth Proportional to 38,874.24, 53,652.96 and 21,886.20

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Solution

The fourth proportional to 38,874.24, 53,652.96 and 21,886.20 is: 30,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,874.24 : 53,652.96 = 21,886.20 : x
  2. Step 2: Convert to fraction form
    38,874.24/53,652.96 = 21,886.20/x
  3. Step 3: Cross multiply
    38,874.24x = 53,652.96 × 21,886.20
  4. Step 4: Simplify right side
    38,874.24x = 1,174,259,413.15
  5. Step 5: Solve for x
    x = 1,174,259,413.15/38,874.24
  6. Step 6: Final answer
    x = 30,206.62

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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.