Home / 35,855.45-49,484.48-20,747.94

Finding the Fourth Proportional to 35,855.45, 49,484.48 and 20,747.94

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Solution

The fourth proportional to 35,855.45, 49,484.48 and 20,747.94 is: 28,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.45 : 49,484.48 = 20,747.94 : x
  2. Step 2: Convert to fraction form
    35,855.45/49,484.48 = 20,747.94/x
  3. Step 3: Cross multiply
    35,855.45x = 49,484.48 × 20,747.94
  4. Step 4: Simplify right side
    35,855.45x = 1,026,701,021.97
  5. Step 5: Solve for x
    x = 1,026,701,021.97/35,855.45
  6. Step 6: Final answer
    x = 28,634.45

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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.