Home / 43,478.93-65,222.42-13,493.36

Finding the Fourth Proportional to 43,478.93, 65,222.42 and 13,493.36

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Solution

The fourth proportional to 43,478.93, 65,222.42 and 13,493.36 is: 20,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,478.93 : 65,222.42 = 13,493.36 : x
  2. Step 2: Convert to fraction form
    43,478.93/65,222.42 = 13,493.36/x
  3. Step 3: Cross multiply
    43,478.93x = 65,222.42 × 13,493.36
  4. Step 4: Simplify right side
    43,478.93x = 880,069,199.55
  5. Step 5: Solve for x
    x = 880,069,199.55/43,478.93
  6. Step 6: Final answer
    x = 20,241.28

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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.