Home / 43,402.80-65,088-18,444.75

Finding the Fourth Proportional to 43,402.80, 65,088 and 18,444.75

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Solution

The fourth proportional to 43,402.80, 65,088 and 18,444.75 is: 27,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,402.80 : 65,088 = 18,444.75 : x
  2. Step 2: Convert to fraction form
    43,402.80/65,088 = 18,444.75/x
  3. Step 3: Cross multiply
    43,402.80x = 65,088 × 18,444.75
  4. Step 4: Simplify right side
    43,402.80x = 1,200,531,888
  5. Step 5: Solve for x
    x = 1,200,531,888/43,402.80
  6. Step 6: Final answer
    x = 27,660.24

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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.