Home / 35,787.83-49,386.92-19,872.32

Finding the Fourth Proportional to 35,787.83, 49,386.92 and 19,872.32

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Solution

The fourth proportional to 35,787.83, 49,386.92 and 19,872.32 is: 27,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.83 : 49,386.92 = 19,872.32 : x
  2. Step 2: Convert to fraction form
    35,787.83/49,386.92 = 19,872.32/x
  3. Step 3: Cross multiply
    35,787.83x = 49,386.92 × 19,872.32
  4. Step 4: Simplify right side
    35,787.83x = 981,432,331.76
  5. Step 5: Solve for x
    x = 981,432,331.76/35,787.83
  6. Step 6: Final answer
    x = 27,423.64

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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.