Home / 43,910.10-65,871.54-14,320.65

Finding the Fourth Proportional to 43,910.10, 65,871.54 and 14,320.65

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Solution

The fourth proportional to 43,910.10, 65,871.54 and 14,320.65 is: 21,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910.10 : 65,871.54 = 14,320.65 : x
  2. Step 2: Convert to fraction form
    43,910.10/65,871.54 = 14,320.65/x
  3. Step 3: Cross multiply
    43,910.10x = 65,871.54 × 14,320.65
  4. Step 4: Simplify right side
    43,910.10x = 943,323,269.30
  5. Step 5: Solve for x
    x = 943,323,269.30/43,910.10
  6. Step 6: Final answer
    x = 21,483.06

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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.