Home / 34,269.12-51,459.48-21,204.72

Finding the Fourth Proportional to 34,269.12, 51,459.48 and 21,204.72

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Solution

The fourth proportional to 34,269.12, 51,459.48 and 21,204.72 is: 31,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,269.12 : 51,459.48 = 21,204.72 : x
  2. Step 2: Convert to fraction form
    34,269.12/51,459.48 = 21,204.72/x
  3. Step 3: Cross multiply
    34,269.12x = 51,459.48 × 21,204.72
  4. Step 4: Simplify right side
    34,269.12x = 1,091,183,864.75
  5. Step 5: Solve for x
    x = 1,091,183,864.75/34,269.12
  6. Step 6: Final answer
    x = 31,841.61

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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.