Home / 38,701.50-53,413.11-22,787.42

Finding the Fourth Proportional to 38,701.50, 53,413.11 and 22,787.42

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Solution

The fourth proportional to 38,701.50, 53,413.11 and 22,787.42 is: 31,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701.50 : 53,413.11 = 22,787.42 : x
  2. Step 2: Convert to fraction form
    38,701.50/53,413.11 = 22,787.42/x
  3. Step 3: Cross multiply
    38,701.50x = 53,413.11 × 22,787.42
  4. Step 4: Simplify right side
    38,701.50x = 1,217,146,971.08
  5. Step 5: Solve for x
    x = 1,217,146,971.08/38,701.50
  6. Step 6: Final answer
    x = 31,449.61

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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.