Home / 34,890.54-52,349.79-12,705.46

Finding the Fourth Proportional to 34,890.54, 52,349.79 and 12,705.46

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Solution

The fourth proportional to 34,890.54, 52,349.79 and 12,705.46 is: 19,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.54 : 52,349.79 = 12,705.46 : x
  2. Step 2: Convert to fraction form
    34,890.54/52,349.79 = 12,705.46/x
  3. Step 3: Cross multiply
    34,890.54x = 52,349.79 × 12,705.46
  4. Step 4: Simplify right side
    34,890.54x = 665,128,162.85
  5. Step 5: Solve for x
    x = 665,128,162.85/34,890.54
  6. Step 6: Final answer
    x = 19,063.28

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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.