Home / 35,514.83-49,020.71-20,992.47

Finding the Fourth Proportional to 35,514.83, 49,020.71 and 20,992.47

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Solution

The fourth proportional to 35,514.83, 49,020.71 and 20,992.47 is: 28,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.83 : 49,020.71 = 20,992.47 : x
  2. Step 2: Convert to fraction form
    35,514.83/49,020.71 = 20,992.47/x
  3. Step 3: Cross multiply
    35,514.83x = 49,020.71 × 20,992.47
  4. Step 4: Simplify right side
    35,514.83x = 1,029,065,836.53
  5. Step 5: Solve for x
    x = 1,029,065,836.53/35,514.83
  6. Step 6: Final answer
    x = 28,975.66

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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.