Home / 51,457.20-77,191.47-16,388.79

Finding the Fourth Proportional to 51,457.20, 77,191.47 and 16,388.79

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Solution

The fourth proportional to 51,457.20, 77,191.47 and 16,388.79 is: 24,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.20 : 77,191.47 = 16,388.79 : x
  2. Step 2: Convert to fraction form
    51,457.20/77,191.47 = 16,388.79/x
  3. Step 3: Cross multiply
    51,457.20x = 77,191.47 × 16,388.79
  4. Step 4: Simplify right side
    51,457.20x = 1,265,074,791.62
  5. Step 5: Solve for x
    x = 1,265,074,791.62/51,457.20
  6. Step 6: Final answer
    x = 24,584.99

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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.