Home / 44,519-66,785.07-12,929.30

Finding the Fourth Proportional to 44,519, 66,785.07 and 12,929.30

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Solution

The fourth proportional to 44,519, 66,785.07 and 12,929.30 is: 19,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,519 : 66,785.07 = 12,929.30 : x
  2. Step 2: Convert to fraction form
    44,519/66,785.07 = 12,929.30/x
  3. Step 3: Cross multiply
    44,519x = 66,785.07 × 12,929.30
  4. Step 4: Simplify right side
    44,519x = 863,484,205.55
  5. Step 5: Solve for x
    x = 863,484,205.55/44,519
  6. Step 6: Final answer
    x = 19,395.86

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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.