Home / 43,821.09-65,739.80-14,230.98

Finding the Fourth Proportional to 43,821.09, 65,739.80 and 14,230.98

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Solution

The fourth proportional to 43,821.09, 65,739.80 and 14,230.98 is: 21,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.09 : 65,739.80 = 14,230.98 : x
  2. Step 2: Convert to fraction form
    43,821.09/65,739.80 = 14,230.98/x
  3. Step 3: Cross multiply
    43,821.09x = 65,739.80 × 14,230.98
  4. Step 4: Simplify right side
    43,821.09x = 935,541,779.00
  5. Step 5: Solve for x
    x = 935,541,779.00/43,821.09
  6. Step 6: Final answer
    x = 21,349.12

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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.