Home / 43,413.25-65,119.19-13,830.89

Finding the Fourth Proportional to 43,413.25, 65,119.19 and 13,830.89

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Solution

The fourth proportional to 43,413.25, 65,119.19 and 13,830.89 is: 20,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,413.25 : 65,119.19 = 13,830.89 : x
  2. Step 2: Convert to fraction form
    43,413.25/65,119.19 = 13,830.89/x
  3. Step 3: Cross multiply
    43,413.25x = 65,119.19 × 13,830.89
  4. Step 4: Simplify right side
    43,413.25x = 900,656,036.83
  5. Step 5: Solve for x
    x = 900,656,036.83/43,413.25
  6. Step 6: Final answer
    x = 20,746.11

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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.