Home / 39,432.14-54,413.08-22,431.86

Finding the Fourth Proportional to 39,432.14, 54,413.08 and 22,431.86

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Solution

The fourth proportional to 39,432.14, 54,413.08 and 22,431.86 is: 30,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.14 : 54,413.08 = 22,431.86 : x
  2. Step 2: Convert to fraction form
    39,432.14/54,413.08 = 22,431.86/x
  3. Step 3: Cross multiply
    39,432.14x = 54,413.08 × 22,431.86
  4. Step 4: Simplify right side
    39,432.14x = 1,220,586,264.58
  5. Step 5: Solve for x
    x = 1,220,586,264.58/39,432.14
  6. Step 6: Final answer
    x = 30,954.10

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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.