Home / 53,697.42-80,515.26-22,129.28

Finding the Fourth Proportional to 53,697.42, 80,515.26 and 22,129.28

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Solution

The fourth proportional to 53,697.42, 80,515.26 and 22,129.28 is: 33,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,697.42 : 80,515.26 = 22,129.28 : x
  2. Step 2: Convert to fraction form
    53,697.42/80,515.26 = 22,129.28/x
  3. Step 3: Cross multiply
    53,697.42x = 80,515.26 × 22,129.28
  4. Step 4: Simplify right side
    53,697.42x = 1,781,744,413.22
  5. Step 5: Solve for x
    x = 1,781,744,413.22/53,697.42
  6. Step 6: Final answer
    x = 33,181.19

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1.5x scale

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.