Home / 35,954.40-49,616.91-20,855.82

Finding the Fourth Proportional to 35,954.40, 49,616.91 and 20,855.82

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Solution

The fourth proportional to 35,954.40, 49,616.91 and 20,855.82 is: 28,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954.40 : 49,616.91 = 20,855.82 : x
  2. Step 2: Convert to fraction form
    35,954.40/49,616.91 = 20,855.82/x
  3. Step 3: Cross multiply
    35,954.40x = 49,616.91 × 20,855.82
  4. Step 4: Simplify right side
    35,954.40x = 1,034,801,343.92
  5. Step 5: Solve for x
    x = 1,034,801,343.92/35,954.40
  6. Step 6: Final answer
    x = 28,780.94

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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.