Home / 39,123.75-58,690.17-14,175.54

Finding the Fourth Proportional to 39,123.75, 58,690.17 and 14,175.54

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Solution

The fourth proportional to 39,123.75, 58,690.17 and 14,175.54 is: 21,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,123.75 : 58,690.17 = 14,175.54 : x
  2. Step 2: Convert to fraction form
    39,123.75/58,690.17 = 14,175.54/x
  3. Step 3: Cross multiply
    39,123.75x = 58,690.17 × 14,175.54
  4. Step 4: Simplify right side
    39,123.75x = 831,964,852.44
  5. Step 5: Solve for x
    x = 831,964,852.44/39,123.75
  6. Step 6: Final answer
    x = 21,264.96

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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.