Home / 38,081.07-52,551.87-21,314.07

Finding the Fourth Proportional to 38,081.07, 52,551.87 and 21,314.07

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Solution

The fourth proportional to 38,081.07, 52,551.87 and 21,314.07 is: 29,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.07 : 52,551.87 = 21,314.07 : x
  2. Step 2: Convert to fraction form
    38,081.07/52,551.87 = 21,314.07/x
  3. Step 3: Cross multiply
    38,081.07x = 52,551.87 × 21,314.07
  4. Step 4: Simplify right side
    38,081.07x = 1,120,094,235.81
  5. Step 5: Solve for x
    x = 1,120,094,235.81/38,081.07
  6. Step 6: Final answer
    x = 29,413.41

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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.