Home / 39,787.36-59,679.49-13,492.11

Finding the Fourth Proportional to 39,787.36, 59,679.49 and 13,492.11

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Solution

The fourth proportional to 39,787.36, 59,679.49 and 13,492.11 is: 20,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.36 : 59,679.49 = 13,492.11 : x
  2. Step 2: Convert to fraction form
    39,787.36/59,679.49 = 13,492.11/x
  3. Step 3: Cross multiply
    39,787.36x = 59,679.49 × 13,492.11
  4. Step 4: Simplify right side
    39,787.36x = 805,202,243.82
  5. Step 5: Solve for x
    x = 805,202,243.82/39,787.36
  6. Step 6: Final answer
    x = 20,237.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.