Home / 35,413.93-48,879.53-20,306.32

Finding the Fourth Proportional to 35,413.93, 48,879.53 and 20,306.32

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Solution

The fourth proportional to 35,413.93, 48,879.53 and 20,306.32 is: 28,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.93 : 48,879.53 = 20,306.32 : x
  2. Step 2: Convert to fraction form
    35,413.93/48,879.53 = 20,306.32/x
  3. Step 3: Cross multiply
    35,413.93x = 48,879.53 × 20,306.32
  4. Step 4: Simplify right side
    35,413.93x = 992,563,377.63
  5. Step 5: Solve for x
    x = 992,563,377.63/35,413.93
  6. Step 6: Final answer
    x = 28,027.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.