Home / 53,558.31-80,344.45-19,819.73

Finding the Fourth Proportional to 53,558.31, 80,344.45 and 19,819.73

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Solution

The fourth proportional to 53,558.31, 80,344.45 and 19,819.73 is: 29,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,558.31 : 80,344.45 = 19,819.73 : x
  2. Step 2: Convert to fraction form
    53,558.31/80,344.45 = 19,819.73/x
  3. Step 3: Cross multiply
    53,558.31x = 80,344.45 × 19,819.73
  4. Step 4: Simplify right side
    53,558.31x = 1,592,405,457.31
  5. Step 5: Solve for x
    x = 1,592,405,457.31/53,558.31
  6. Step 6: Final answer
    x = 29,732.18

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1.5x scale

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.