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Finding the Fourth Proportional to 44,104.36, 66,158.70 and 12,937

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Solution

The fourth proportional to 44,104.36, 66,158.70 and 12,937 is: 19,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,104.36 : 66,158.70 = 12,937 : x
  2. Step 2: Convert to fraction form
    44,104.36/66,158.70 = 12,937/x
  3. Step 3: Cross multiply
    44,104.36x = 66,158.70 × 12,937
  4. Step 4: Simplify right side
    44,104.36x = 855,895,101.90
  5. Step 5: Solve for x
    x = 855,895,101.90/44,104.36
  6. Step 6: Final answer
    x = 19,406.13

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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.