Home / 43,089.28-64,650.40-16,812.34

Finding the Fourth Proportional to 43,089.28, 64,650.40 and 16,812.34

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Solution

The fourth proportional to 43,089.28, 64,650.40 and 16,812.34 is: 25,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,089.28 : 64,650.40 = 16,812.34 : x
  2. Step 2: Convert to fraction form
    43,089.28/64,650.40 = 16,812.34/x
  3. Step 3: Cross multiply
    43,089.28x = 64,650.40 × 16,812.34
  4. Step 4: Simplify right side
    43,089.28x = 1,086,924,505.94
  5. Step 5: Solve for x
    x = 1,086,924,505.94/43,089.28
  6. Step 6: Final answer
    x = 25,224.94

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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.