Home / 43,413.64-65,125.73-12,248.89

Finding the Fourth Proportional to 43,413.64, 65,125.73 and 12,248.89

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Solution

The fourth proportional to 43,413.64, 65,125.73 and 12,248.89 is: 18,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,413.64 : 65,125.73 = 12,248.89 : x
  2. Step 2: Convert to fraction form
    43,413.64/65,125.73 = 12,248.89/x
  3. Step 3: Cross multiply
    43,413.64x = 65,125.73 × 12,248.89
  4. Step 4: Simplify right side
    43,413.64x = 797,717,902.94
  5. Step 5: Solve for x
    x = 797,717,902.94/43,413.64
  6. Step 6: Final answer
    x = 18,374.82

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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.