Home / 43,842.34-65,780.79-16,142.50

Finding the Fourth Proportional to 43,842.34, 65,780.79 and 16,142.50

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Solution

The fourth proportional to 43,842.34, 65,780.79 and 16,142.50 is: 24,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,842.34 : 65,780.79 = 16,142.50 : x
  2. Step 2: Convert to fraction form
    43,842.34/65,780.79 = 16,142.50/x
  3. Step 3: Cross multiply
    43,842.34x = 65,780.79 × 16,142.50
  4. Step 4: Simplify right side
    43,842.34x = 1,061,866,402.58
  5. Step 5: Solve for x
    x = 1,061,866,402.58/43,842.34
  6. Step 6: Final answer
    x = 24,220.11

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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.