Home / 35,644.82-49,186.48-21,301.80

Finding the Fourth Proportional to 35,644.82, 49,186.48 and 21,301.80

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Solution

The fourth proportional to 35,644.82, 49,186.48 and 21,301.80 is: 29,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.82 : 49,186.48 = 21,301.80 : x
  2. Step 2: Convert to fraction form
    35,644.82/49,186.48 = 21,301.80/x
  3. Step 3: Cross multiply
    35,644.82x = 49,186.48 × 21,301.80
  4. Step 4: Simplify right side
    35,644.82x = 1,047,760,559.66
  5. Step 5: Solve for x
    x = 1,047,760,559.66/35,644.82
  6. Step 6: Final answer
    x = 29,394.47

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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.