Home / 35,953.75-49,616.34-20,855.35

Finding the Fourth Proportional to 35,953.75, 49,616.34 and 20,855.35

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Solution

The fourth proportional to 35,953.75, 49,616.34 and 20,855.35 is: 28,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,953.75 : 49,616.34 = 20,855.35 : x
  2. Step 2: Convert to fraction form
    35,953.75/49,616.34 = 20,855.35/x
  3. Step 3: Cross multiply
    35,953.75x = 49,616.34 × 20,855.35
  4. Step 4: Simplify right side
    35,953.75x = 1,034,766,136.42
  5. Step 5: Solve for x
    x = 1,034,766,136.42/35,953.75
  6. Step 6: Final answer
    x = 28,780.48

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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.