Home / 43,355.46-65,014.80-13,765.38

Finding the Fourth Proportional to 43,355.46, 65,014.80 and 13,765.38

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Solution

The fourth proportional to 43,355.46, 65,014.80 and 13,765.38 is: 20,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.46 : 65,014.80 = 13,765.38 : x
  2. Step 2: Convert to fraction form
    43,355.46/65,014.80 = 13,765.38/x
  3. Step 3: Cross multiply
    43,355.46x = 65,014.80 × 13,765.38
  4. Step 4: Simplify right side
    43,355.46x = 894,953,427.62
  5. Step 5: Solve for x
    x = 894,953,427.62/43,355.46
  6. Step 6: Final answer
    x = 20,642.23

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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.