Home / 55,514.46-76,561.54-39,349.80

Finding the Fourth Proportional to 55,514.46, 76,561.54 and 39,349.80

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Solution

The fourth proportional to 55,514.46, 76,561.54 and 39,349.80 is: 54,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.46 : 76,561.54 = 39,349.80 : x
  2. Step 2: Convert to fraction form
    55,514.46/76,561.54 = 39,349.80/x
  3. Step 3: Cross multiply
    55,514.46x = 76,561.54 × 39,349.80
  4. Step 4: Simplify right side
    55,514.46x = 3,012,681,286.69
  5. Step 5: Solve for x
    x = 3,012,681,286.69/55,514.46
  6. Step 6: Final answer
    x = 54,268.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.