Home / 51,802.18-77,650.98-20,192.50

Finding the Fourth Proportional to 51,802.18, 77,650.98 and 20,192.50

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Solution

The fourth proportional to 51,802.18, 77,650.98 and 20,192.50 is: 30,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,802.18 : 77,650.98 = 20,192.50 : x
  2. Step 2: Convert to fraction form
    51,802.18/77,650.98 = 20,192.50/x
  3. Step 3: Cross multiply
    51,802.18x = 77,650.98 × 20,192.50
  4. Step 4: Simplify right side
    51,802.18x = 1,567,967,413.65
  5. Step 5: Solve for x
    x = 1,567,967,413.65/51,802.18
  6. Step 6: Final answer
    x = 30,268.37

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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.