Home / 35,888.10-49,519.94-20,777.82

Finding the Fourth Proportional to 35,888.10, 49,519.94 and 20,777.82

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Solution

The fourth proportional to 35,888.10, 49,519.94 and 20,777.82 is: 28,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,888.10 : 49,519.94 = 20,777.82 : x
  2. Step 2: Convert to fraction form
    35,888.10/49,519.94 = 20,777.82/x
  3. Step 3: Cross multiply
    35,888.10x = 49,519.94 × 20,777.82
  4. Step 4: Simplify right side
    35,888.10x = 1,028,916,399.73
  5. Step 5: Solve for x
    x = 1,028,916,399.73/35,888.10
  6. Step 6: Final answer
    x = 28,670.13

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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.