Home / 43,289.98-64,885.80-18,314.44

Finding the Fourth Proportional to 43,289.98, 64,885.80 and 18,314.44

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Solution

The fourth proportional to 43,289.98, 64,885.80 and 18,314.44 is: 27,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.98 : 64,885.80 = 18,314.44 : x
  2. Step 2: Convert to fraction form
    43,289.98/64,885.80 = 18,314.44/x
  3. Step 3: Cross multiply
    43,289.98x = 64,885.80 × 18,314.44
  4. Step 4: Simplify right side
    43,289.98x = 1,188,347,090.95
  5. Step 5: Solve for x
    x = 1,188,347,090.95/43,289.98
  6. Step 6: Final answer
    x = 27,450.86

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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.