Home / 55,514.09-76,561.02-39,349.42

Finding the Fourth Proportional to 55,514.09, 76,561.02 and 39,349.42

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Solution

The fourth proportional to 55,514.09, 76,561.02 and 39,349.42 is: 54,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.09 : 76,561.02 = 39,349.42 : x
  2. Step 2: Convert to fraction form
    55,514.09/76,561.02 = 39,349.42/x
  3. Step 3: Cross multiply
    55,514.09x = 76,561.02 × 39,349.42
  4. Step 4: Simplify right side
    55,514.09x = 3,012,631,540.21
  5. Step 5: Solve for x
    x = 3,012,631,540.21/55,514.09
  6. Step 6: Final answer
    x = 54,267.88

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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.