Home / 39,157.41-58,734.30-12,862.38

Finding the Fourth Proportional to 39,157.41, 58,734.30 and 12,862.38

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Solution

The fourth proportional to 39,157.41, 58,734.30 and 12,862.38 is: 19,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.41 : 58,734.30 = 12,862.38 : x
  2. Step 2: Convert to fraction form
    39,157.41/58,734.30 = 12,862.38/x
  3. Step 3: Cross multiply
    39,157.41x = 58,734.30 × 12,862.38
  4. Step 4: Simplify right side
    39,157.41x = 755,462,885.63
  5. Step 5: Solve for x
    x = 755,462,885.63/39,157.41
  6. Step 6: Final answer
    x = 19,292.97

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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.