Home / 40,295.20-60,435.24-16,921.84

Finding the Fourth Proportional to 40,295.20, 60,435.24 and 16,921.84

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Solution

The fourth proportional to 40,295.20, 60,435.24 and 16,921.84 is: 25,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295.20 : 60,435.24 = 16,921.84 : x
  2. Step 2: Convert to fraction form
    40,295.20/60,435.24 = 16,921.84/x
  3. Step 3: Cross multiply
    40,295.20x = 60,435.24 × 16,921.84
  4. Step 4: Simplify right side
    40,295.20x = 1,022,675,461.64
  5. Step 5: Solve for x
    x = 1,022,675,461.64/40,295.20
  6. Step 6: Final answer
    x = 25,379.59

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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.