Home / 40,761.43-61,144.76-14,109.99

Finding the Fourth Proportional to 40,761.43, 61,144.76 and 14,109.99

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Solution

The fourth proportional to 40,761.43, 61,144.76 and 14,109.99 is: 21,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,761.43 : 61,144.76 = 14,109.99 : x
  2. Step 2: Convert to fraction form
    40,761.43/61,144.76 = 14,109.99/x
  3. Step 3: Cross multiply
    40,761.43x = 61,144.76 × 14,109.99
  4. Step 4: Simplify right side
    40,761.43x = 862,751,575.88
  5. Step 5: Solve for x
    x = 862,751,575.88/40,761.43
  6. Step 6: Final answer
    x = 21,165.88

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1.5x scale

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.