Home / 39,083.60-58,625.40-14,135.60

Finding the Fourth Proportional to 39,083.60, 58,625.40 and 14,135.60

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Solution

The fourth proportional to 39,083.60, 58,625.40 and 14,135.60 is: 21,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,083.60 : 58,625.40 = 14,135.60 : x
  2. Step 2: Convert to fraction form
    39,083.60/58,625.40 = 14,135.60/x
  3. Step 3: Cross multiply
    39,083.60x = 58,625.40 × 14,135.60
  4. Step 4: Simplify right side
    39,083.60x = 828,705,204.24
  5. Step 5: Solve for x
    x = 828,705,204.24/39,083.60
  6. Step 6: Final answer
    x = 21,203.40

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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.