Home / 39,787.05-59,681.27-13,492.47

Finding the Fourth Proportional to 39,787.05, 59,681.27 and 13,492.47

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Solution

The fourth proportional to 39,787.05, 59,681.27 and 13,492.47 is: 20,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.05 : 59,681.27 = 13,492.47 : x
  2. Step 2: Convert to fraction form
    39,787.05/59,681.27 = 13,492.47/x
  3. Step 3: Cross multiply
    39,787.05x = 59,681.27 × 13,492.47
  4. Step 4: Simplify right side
    39,787.05x = 805,247,745.04
  5. Step 5: Solve for x
    x = 805,247,745.04/39,787.05
  6. Step 6: Final answer
    x = 20,238.94

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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.