Home / 41,012.36-61,519.14-12,931.88

Finding the Fourth Proportional to 41,012.36, 61,519.14 and 12,931.88

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Solution

The fourth proportional to 41,012.36, 61,519.14 and 12,931.88 is: 19,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,012.36 : 61,519.14 = 12,931.88 : x
  2. Step 2: Convert to fraction form
    41,012.36/61,519.14 = 12,931.88/x
  3. Step 3: Cross multiply
    41,012.36x = 61,519.14 × 12,931.88
  4. Step 4: Simplify right side
    41,012.36x = 795,558,136.18
  5. Step 5: Solve for x
    x = 795,558,136.18/41,012.36
  6. Step 6: Final answer
    x = 19,398.01

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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.