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Finding the Fourth Proportional to 29,299.53, 43,948.83 and 7,113.09

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Solution

The fourth proportional to 29,299.53, 43,948.83 and 7,113.09 is: 10,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.53 : 43,948.83 = 7,113.09 : x
  2. Step 2: Convert to fraction form
    29,299.53/43,948.83 = 7,113.09/x
  3. Step 3: Cross multiply
    29,299.53x = 43,948.83 × 7,113.09
  4. Step 4: Simplify right side
    29,299.53x = 312,611,983.18
  5. Step 5: Solve for x
    x = 312,611,983.18/29,299.53
  6. Step 6: Final answer
    x = 10,669.52

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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.