Home / 52,413.09-78,625.17-30,225.98

Finding the Fourth Proportional to 52,413.09, 78,625.17 and 30,225.98

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Solution

The fourth proportional to 52,413.09, 78,625.17 and 30,225.98 is: 45,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,413.09 : 78,625.17 = 30,225.98 : x
  2. Step 2: Convert to fraction form
    52,413.09/78,625.17 = 30,225.98/x
  3. Step 3: Cross multiply
    52,413.09x = 78,625.17 × 30,225.98
  4. Step 4: Simplify right side
    52,413.09x = 2,376,522,422.79
  5. Step 5: Solve for x
    x = 2,376,522,422.79/52,413.09
  6. Step 6: Final answer
    x = 45,342.15

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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.