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Finding the Fourth Proportional to 29,339.49, 43,991.65 and 9,340.35

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Solution

The fourth proportional to 29,339.49, 43,991.65 and 9,340.35 is: 14,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.49 : 43,991.65 = 9,340.35 : x
  2. Step 2: Convert to fraction form
    29,339.49/43,991.65 = 9,340.35/x
  3. Step 3: Cross multiply
    29,339.49x = 43,991.65 × 9,340.35
  4. Step 4: Simplify right side
    29,339.49x = 410,897,408.08
  5. Step 5: Solve for x
    x = 410,897,408.08/29,339.49
  6. Step 6: Final answer
    x = 14,004.93

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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.