Home / 35,725.76-49,290.20-20,616.42

Finding the Fourth Proportional to 35,725.76, 49,290.20 and 20,616.42

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Solution

The fourth proportional to 35,725.76, 49,290.20 and 20,616.42 is: 28,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,725.76 : 49,290.20 = 20,616.42 : x
  2. Step 2: Convert to fraction form
    35,725.76/49,290.20 = 20,616.42/x
  3. Step 3: Cross multiply
    35,725.76x = 49,290.20 × 20,616.42
  4. Step 4: Simplify right side
    35,725.76x = 1,016,187,362.00
  5. Step 5: Solve for x
    x = 1,016,187,362.00/35,725.76
  6. Step 6: Final answer
    x = 28,444.11

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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.