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Finding the Fourth Proportional to 29,352.78, 40,524.29 and 19,299.06

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Solution

The fourth proportional to 29,352.78, 40,524.29 and 19,299.06 is: 26,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,352.78 : 40,524.29 = 19,299.06 : x
  2. Step 2: Convert to fraction form
    29,352.78/40,524.29 = 19,299.06/x
  3. Step 3: Cross multiply
    29,352.78x = 40,524.29 × 19,299.06
  4. Step 4: Simplify right side
    29,352.78x = 782,080,704.17
  5. Step 5: Solve for x
    x = 782,080,704.17/29,352.78
  6. Step 6: Final answer
    x = 26,644.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.