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Finding the Fourth Proportional to 29,405.88, 44,103.61 and 13,391.74

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Solution

The fourth proportional to 29,405.88, 44,103.61 and 13,391.74 is: 20,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,405.88 : 44,103.61 = 13,391.74 : x
  2. Step 2: Convert to fraction form
    29,405.88/44,103.61 = 13,391.74/x
  3. Step 3: Cross multiply
    29,405.88x = 44,103.61 × 13,391.74
  4. Step 4: Simplify right side
    29,405.88x = 590,624,078.18
  5. Step 5: Solve for x
    x = 590,624,078.18/29,405.88
  6. Step 6: Final answer
    x = 20,085.24

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1.5x scale

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.