Home / 35,891.07-49,525.38-20,781.68

Finding the Fourth Proportional to 35,891.07, 49,525.38 and 20,781.68

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Solution

The fourth proportional to 35,891.07, 49,525.38 and 20,781.68 is: 28,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.07 : 49,525.38 = 20,781.68 : x
  2. Step 2: Convert to fraction form
    35,891.07/49,525.38 = 20,781.68/x
  3. Step 3: Cross multiply
    35,891.07x = 49,525.38 × 20,781.68
  4. Step 4: Simplify right side
    35,891.07x = 1,029,220,351.41
  5. Step 5: Solve for x
    x = 1,029,220,351.41/35,891.07
  6. Step 6: Final answer
    x = 28,676.22

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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.