Home / 21,075.31-29,058.60-17,046.46

Finding the Fourth Proportional to 21,075.31, 29,058.60 and 17,046.46

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Solution

The fourth proportional to 21,075.31, 29,058.60 and 17,046.46 is: 23,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075.31 : 29,058.60 = 17,046.46 : x
  2. Step 2: Convert to fraction form
    21,075.31/29,058.60 = 17,046.46/x
  3. Step 3: Cross multiply
    21,075.31x = 29,058.60 × 17,046.46
  4. Step 4: Simplify right side
    21,075.31x = 495,346,262.56
  5. Step 5: Solve for x
    x = 495,346,262.56/21,075.31
  6. Step 6: Final answer
    x = 23,503.63

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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.