Home / 43,491.53-65,239.86-13,907.06

Finding the Fourth Proportional to 43,491.53, 65,239.86 and 13,907.06

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Solution

The fourth proportional to 43,491.53, 65,239.86 and 13,907.06 is: 20,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.53 : 65,239.86 = 13,907.06 : x
  2. Step 2: Convert to fraction form
    43,491.53/65,239.86 = 13,907.06/x
  3. Step 3: Cross multiply
    43,491.53x = 65,239.86 × 13,907.06
  4. Step 4: Simplify right side
    43,491.53x = 907,294,618.01
  5. Step 5: Solve for x
    x = 907,294,618.01/43,491.53
  6. Step 6: Final answer
    x = 20,861.41

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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.