Home / 55,975.80-83,961.90-18,537.60

Finding the Fourth Proportional to 55,975.80, 83,961.90 and 18,537.60

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Solution

The fourth proportional to 55,975.80, 83,961.90 and 18,537.60 is: 27,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.80 : 83,961.90 = 18,537.60 : x
  2. Step 2: Convert to fraction form
    55,975.80/83,961.90 = 18,537.60/x
  3. Step 3: Cross multiply
    55,975.80x = 83,961.90 × 18,537.60
  4. Step 4: Simplify right side
    55,975.80x = 1,556,452,117.44
  5. Step 5: Solve for x
    x = 1,556,452,117.44/55,975.80
  6. Step 6: Final answer
    x = 27,805.80

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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.