Home / 38,308.96-52,866-21,541.84

Finding the Fourth Proportional to 38,308.96, 52,866 and 21,541.84

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Solution

The fourth proportional to 38,308.96, 52,866 and 21,541.84 is: 29,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308.96 : 52,866 = 21,541.84 : x
  2. Step 2: Convert to fraction form
    38,308.96/52,866 = 21,541.84/x
  3. Step 3: Cross multiply
    38,308.96x = 52,866 × 21,541.84
  4. Step 4: Simplify right side
    38,308.96x = 1,138,830,913.44
  5. Step 5: Solve for x
    x = 1,138,830,913.44/38,308.96
  6. Step 6: Final answer
    x = 29,727.53

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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.