Home / 43,586.46-65,365.38-13,997.30

Finding the Fourth Proportional to 43,586.46, 65,365.38 and 13,997.30

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Solution

The fourth proportional to 43,586.46, 65,365.38 and 13,997.30 is: 20,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.46 : 65,365.38 = 13,997.30 : x
  2. Step 2: Convert to fraction form
    43,586.46/65,365.38 = 13,997.30/x
  3. Step 3: Cross multiply
    43,586.46x = 65,365.38 × 13,997.30
  4. Step 4: Simplify right side
    43,586.46x = 914,938,506.65
  5. Step 5: Solve for x
    x = 914,938,506.65/43,586.46
  6. Step 6: Final answer
    x = 20,991.35

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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.