Home / 46,569.38-69,870.47-20,270.70

Finding the Fourth Proportional to 46,569.38, 69,870.47 and 20,270.70

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Solution

The fourth proportional to 46,569.38, 69,870.47 and 20,270.70 is: 30,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,569.38 : 69,870.47 = 20,270.70 : x
  2. Step 2: Convert to fraction form
    46,569.38/69,870.47 = 20,270.70/x
  3. Step 3: Cross multiply
    46,569.38x = 69,870.47 × 20,270.70
  4. Step 4: Simplify right side
    46,569.38x = 1,416,323,234.88
  5. Step 5: Solve for x
    x = 1,416,323,234.88/46,569.38
  6. Step 6: Final answer
    x = 30,413.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.