Home / 35,621.26-49,161-20,514.49

Finding the Fourth Proportional to 35,621.26, 49,161 and 20,514.49

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Solution

The fourth proportional to 35,621.26, 49,161 and 20,514.49 is: 28,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.26 : 49,161 = 20,514.49 : x
  2. Step 2: Convert to fraction form
    35,621.26/49,161 = 20,514.49/x
  3. Step 3: Cross multiply
    35,621.26x = 49,161 × 20,514.49
  4. Step 4: Simplify right side
    35,621.26x = 1,008,512,842.89
  5. Step 5: Solve for x
    x = 1,008,512,842.89/35,621.26
  6. Step 6: Final answer
    x = 28,312.10

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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.