Home / 48,501.18-72,698.04-20,413.08

Finding the Fourth Proportional to 48,501.18, 72,698.04 and 20,413.08

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Solution

The fourth proportional to 48,501.18, 72,698.04 and 20,413.08 is: 30,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501.18 : 72,698.04 = 20,413.08 : x
  2. Step 2: Convert to fraction form
    48,501.18/72,698.04 = 20,413.08/x
  3. Step 3: Cross multiply
    48,501.18x = 72,698.04 × 20,413.08
  4. Step 4: Simplify right side
    48,501.18x = 1,483,990,906.36
  5. Step 5: Solve for x
    x = 1,483,990,906.36/48,501.18
  6. Step 6: Final answer
    x = 30,597.01

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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.