Home / 30,733.92-42,413.22-18,632.52

Finding the Fourth Proportional to 30,733.92, 42,413.22 and 18,632.52

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Solution

The fourth proportional to 30,733.92, 42,413.22 and 18,632.52 is: 25,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.92 : 42,413.22 = 18,632.52 : x
  2. Step 2: Convert to fraction form
    30,733.92/42,413.22 = 18,632.52/x
  3. Step 3: Cross multiply
    30,733.92x = 42,413.22 × 18,632.52
  4. Step 4: Simplify right side
    30,733.92x = 790,265,169.91
  5. Step 5: Solve for x
    x = 790,265,169.91/30,733.92
  6. Step 6: Final answer
    x = 25,713.13

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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.