Home / 45,429.60-68,014.80-40,245.60

Finding the Fourth Proportional to 45,429.60, 68,014.80 and 40,245.60

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Solution

The fourth proportional to 45,429.60, 68,014.80 and 40,245.60 is: 60,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,429.60 : 68,014.80 = 40,245.60 : x
  2. Step 2: Convert to fraction form
    45,429.60/68,014.80 = 40,245.60/x
  3. Step 3: Cross multiply
    45,429.60x = 68,014.80 × 40,245.60
  4. Step 4: Simplify right side
    45,429.60x = 2,737,296,434.88
  5. Step 5: Solve for x
    x = 2,737,296,434.88/45,429.60
  6. Step 6: Final answer
    x = 60,253.59

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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.