Home / 55,474.26-83,211.40-18,538.26

Finding the Fourth Proportional to 55,474.26, 83,211.40 and 18,538.26

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Solution

The fourth proportional to 55,474.26, 83,211.40 and 18,538.26 is: 27,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.26 : 83,211.40 = 18,538.26 : x
  2. Step 2: Convert to fraction form
    55,474.26/83,211.40 = 18,538.26/x
  3. Step 3: Cross multiply
    55,474.26x = 83,211.40 × 18,538.26
  4. Step 4: Simplify right side
    55,474.26x = 1,542,594,568.16
  5. Step 5: Solve for x
    x = 1,542,594,568.16/55,474.26
  6. Step 6: Final answer
    x = 27,807.39

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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.