Home / 53,904.48-80,861.76-18,353.90

Finding the Fourth Proportional to 53,904.48, 80,861.76 and 18,353.90

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Solution

The fourth proportional to 53,904.48, 80,861.76 and 18,353.90 is: 27,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.48 : 80,861.76 = 18,353.90 : x
  2. Step 2: Convert to fraction form
    53,904.48/80,861.76 = 18,353.90/x
  3. Step 3: Cross multiply
    53,904.48x = 80,861.76 × 18,353.90
  4. Step 4: Simplify right side
    53,904.48x = 1,484,128,252.56
  5. Step 5: Solve for x
    x = 1,484,128,252.56/53,904.48
  6. Step 6: Final answer
    x = 27,532.56

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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.