Home / 49,853.29-74,779.32-12,413.67

Finding the Fourth Proportional to 49,853.29, 74,779.32 and 12,413.67

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Solution

The fourth proportional to 49,853.29, 74,779.32 and 12,413.67 is: 18,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,853.29 : 74,779.32 = 12,413.67 : x
  2. Step 2: Convert to fraction form
    49,853.29/74,779.32 = 12,413.67/x
  3. Step 3: Cross multiply
    49,853.29x = 74,779.32 × 12,413.67
  4. Step 4: Simplify right side
    49,853.29x = 928,285,801.30
  5. Step 5: Solve for x
    x = 928,285,801.30/49,853.29
  6. Step 6: Final answer
    x = 18,620.35

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1.5x scale

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.