Home / 35,413.76-53,094.60-21,378.80

Finding the Fourth Proportional to 35,413.76, 53,094.60 and 21,378.80

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Solution

The fourth proportional to 35,413.76, 53,094.60 and 21,378.80 is: 32,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.76 : 53,094.60 = 21,378.80 : x
  2. Step 2: Convert to fraction form
    35,413.76/53,094.60 = 21,378.80/x
  3. Step 3: Cross multiply
    35,413.76x = 53,094.60 × 21,378.80
  4. Step 4: Simplify right side
    35,413.76x = 1,135,098,834.48
  5. Step 5: Solve for x
    x = 1,135,098,834.48/35,413.76
  6. Step 6: Final answer
    x = 32,052.48

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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.