Home / 43,012.97-64,493.24-19,315.91

Finding the Fourth Proportional to 43,012.97, 64,493.24 and 19,315.91

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Solution

The fourth proportional to 43,012.97, 64,493.24 and 19,315.91 is: 28,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.97 : 64,493.24 = 19,315.91 : x
  2. Step 2: Convert to fraction form
    43,012.97/64,493.24 = 19,315.91/x
  3. Step 3: Cross multiply
    43,012.97x = 64,493.24 × 19,315.91
  4. Step 4: Simplify right side
    43,012.97x = 1,245,745,200.40
  5. Step 5: Solve for x
    x = 1,245,745,200.40/43,012.97
  6. Step 6: Final answer
    x = 28,962.09

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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.