Home / 42,413.44-63,648.32-28,389.12

Finding the Fourth Proportional to 42,413.44, 63,648.32 and 28,389.12

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Solution

The fourth proportional to 42,413.44, 63,648.32 and 28,389.12 is: 42,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413.44 : 63,648.32 = 28,389.12 : x
  2. Step 2: Convert to fraction form
    42,413.44/63,648.32 = 28,389.12/x
  3. Step 3: Cross multiply
    42,413.44x = 63,648.32 × 28,389.12
  4. Step 4: Simplify right side
    42,413.44x = 1,806,919,794.28
  5. Step 5: Solve for x
    x = 1,806,919,794.28/42,413.44
  6. Step 6: Final answer
    x = 42,602.53

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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.