Home / 55,524.56-83,215.32-20,422.64

Finding the Fourth Proportional to 55,524.56, 83,215.32 and 20,422.64

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Solution

The fourth proportional to 55,524.56, 83,215.32 and 20,422.64 is: 30,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,524.56 : 83,215.32 = 20,422.64 : x
  2. Step 2: Convert to fraction form
    55,524.56/83,215.32 = 20,422.64/x
  3. Step 3: Cross multiply
    55,524.56x = 83,215.32 × 20,422.64
  4. Step 4: Simplify right side
    55,524.56x = 1,699,476,522.84
  5. Step 5: Solve for x
    x = 1,699,476,522.84/55,524.56
  6. Step 6: Final answer
    x = 30,607.65

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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.