Home / 35,787.49-49,391.27-21,648.13

Finding the Fourth Proportional to 35,787.49, 49,391.27 and 21,648.13

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Solution

The fourth proportional to 35,787.49, 49,391.27 and 21,648.13 is: 29,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.49 : 49,391.27 = 21,648.13 : x
  2. Step 2: Convert to fraction form
    35,787.49/49,391.27 = 21,648.13/x
  3. Step 3: Cross multiply
    35,787.49x = 49,391.27 × 21,648.13
  4. Step 4: Simplify right side
    35,787.49x = 1,069,228,483.29
  5. Step 5: Solve for x
    x = 1,069,228,483.29/35,787.49
  6. Step 6: Final answer
    x = 29,877.16

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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.