Home / 35,291.98-48,699.35-21,144.46

Finding the Fourth Proportional to 35,291.98, 48,699.35 and 21,144.46

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Solution

The fourth proportional to 35,291.98, 48,699.35 and 21,144.46 is: 29,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.98 : 48,699.35 = 21,144.46 : x
  2. Step 2: Convert to fraction form
    35,291.98/48,699.35 = 21,144.46/x
  3. Step 3: Cross multiply
    35,291.98x = 48,699.35 × 21,144.46
  4. Step 4: Simplify right side
    35,291.98x = 1,029,721,458.10
  5. Step 5: Solve for x
    x = 1,029,721,458.10/35,291.98
  6. Step 6: Final answer
    x = 29,177.21

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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.