Home / 43,988.31-65,991.80-14,403.96

Finding the Fourth Proportional to 43,988.31, 65,991.80 and 14,403.96

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Solution

The fourth proportional to 43,988.31, 65,991.80 and 14,403.96 is: 21,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,988.31 : 65,991.80 = 14,403.96 : x
  2. Step 2: Convert to fraction form
    43,988.31/65,991.80 = 14,403.96/x
  3. Step 3: Cross multiply
    43,988.31x = 65,991.80 × 14,403.96
  4. Step 4: Simplify right side
    43,988.31x = 950,543,283.54
  5. Step 5: Solve for x
    x = 950,543,283.54/43,988.31
  6. Step 6: Final answer
    x = 21,609.00

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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.