Home / 40,405.31-60,635.61-14,110.05

Finding the Fourth Proportional to 40,405.31, 60,635.61 and 14,110.05

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Solution

The fourth proportional to 40,405.31, 60,635.61 and 14,110.05 is: 21,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.31 : 60,635.61 = 14,110.05 : x
  2. Step 2: Convert to fraction form
    40,405.31/60,635.61 = 14,110.05/x
  3. Step 3: Cross multiply
    40,405.31x = 60,635.61 × 14,110.05
  4. Step 4: Simplify right side
    40,405.31x = 855,571,488.88
  5. Step 5: Solve for x
    x = 855,571,488.88/40,405.31
  6. Step 6: Final answer
    x = 21,174.73

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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.