Home / 39,676.17-59,518.78-14,387.60

Finding the Fourth Proportional to 39,676.17, 59,518.78 and 14,387.60

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Solution

The fourth proportional to 39,676.17, 59,518.78 and 14,387.60 is: 21,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,676.17 : 59,518.78 = 14,387.60 : x
  2. Step 2: Convert to fraction form
    39,676.17/59,518.78 = 14,387.60/x
  3. Step 3: Cross multiply
    39,676.17x = 59,518.78 × 14,387.60
  4. Step 4: Simplify right side
    39,676.17x = 856,332,511.96
  5. Step 5: Solve for x
    x = 856,332,511.96/39,676.17
  6. Step 6: Final answer
    x = 21,583.04

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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.