Home / 36,986.40-55,514.40-19,468.80

Finding the Fourth Proportional to 36,986.40, 55,514.40 and 19,468.80

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Solution

The fourth proportional to 36,986.40, 55,514.40 and 19,468.80 is: 29,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.40 : 55,514.40 = 19,468.80 : x
  2. Step 2: Convert to fraction form
    36,986.40/55,514.40 = 19,468.80/x
  3. Step 3: Cross multiply
    36,986.40x = 55,514.40 × 19,468.80
  4. Step 4: Simplify right side
    36,986.40x = 1,080,798,750.72
  5. Step 5: Solve for x
    x = 1,080,798,750.72/36,986.40
  6. Step 6: Final answer
    x = 29,221.52

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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.