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Finding the Fourth Proportional to 29,299.79, 43,955.15 and 9,579.44

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Solution

The fourth proportional to 29,299.79, 43,955.15 and 9,579.44 is: 14,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.79 : 43,955.15 = 9,579.44 : x
  2. Step 2: Convert to fraction form
    29,299.79/43,955.15 = 9,579.44/x
  3. Step 3: Cross multiply
    29,299.79x = 43,955.15 × 9,579.44
  4. Step 4: Simplify right side
    29,299.79x = 421,065,454.44
  5. Step 5: Solve for x
    x = 421,065,454.44/29,299.79
  6. Step 6: Final answer
    x = 14,370.94

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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.