Home / 35,986.01-49,644.63-20,869.92

Finding the Fourth Proportional to 35,986.01, 49,644.63 and 20,869.92

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Solution

The fourth proportional to 35,986.01, 49,644.63 and 20,869.92 is: 28,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.01 : 49,644.63 = 20,869.92 : x
  2. Step 2: Convert to fraction form
    35,986.01/49,644.63 = 20,869.92/x
  3. Step 3: Cross multiply
    35,986.01x = 49,644.63 × 20,869.92
  4. Step 4: Simplify right side
    35,986.01x = 1,036,079,456.53
  5. Step 5: Solve for x
    x = 1,036,079,456.53/35,986.01
  6. Step 6: Final answer
    x = 28,791.18

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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.