Home / 43,234.72-64,765.52-19,828.96

Finding the Fourth Proportional to 43,234.72, 64,765.52 and 19,828.96

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Solution

The fourth proportional to 43,234.72, 64,765.52 and 19,828.96 is: 29,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.72 : 64,765.52 = 19,828.96 : x
  2. Step 2: Convert to fraction form
    43,234.72/64,765.52 = 19,828.96/x
  3. Step 3: Cross multiply
    43,234.72x = 64,765.52 × 19,828.96
  4. Step 4: Simplify right side
    43,234.72x = 1,284,232,905.46
  5. Step 5: Solve for x
    x = 1,284,232,905.46/43,234.72
  6. Step 6: Final answer
    x = 29,703.74

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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.