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Finding the Fourth Proportional to 29,918.32, 44,885.80 and 13,052.80

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Solution

The fourth proportional to 29,918.32, 44,885.80 and 13,052.80 is: 19,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.32 : 44,885.80 = 13,052.80 : x
  2. Step 2: Convert to fraction form
    29,918.32/44,885.80 = 13,052.80/x
  3. Step 3: Cross multiply
    29,918.32x = 44,885.80 × 13,052.80
  4. Step 4: Simplify right side
    29,918.32x = 585,885,442.66
  5. Step 5: Solve for x
    x = 585,885,442.66/29,918.32
  6. Step 6: Final answer
    x = 19,582.83

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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.