Home / 53,431.42-80,158.06-18,366.52

Finding the Fourth Proportional to 53,431.42, 80,158.06 and 18,366.52

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Solution

The fourth proportional to 53,431.42, 80,158.06 and 18,366.52 is: 27,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.42 : 80,158.06 = 18,366.52 : x
  2. Step 2: Convert to fraction form
    53,431.42/80,158.06 = 18,366.52/x
  3. Step 3: Cross multiply
    53,431.42x = 80,158.06 × 18,366.52
  4. Step 4: Simplify right side
    53,431.42x = 1,472,224,612.15
  5. Step 5: Solve for x
    x = 1,472,224,612.15/53,431.42
  6. Step 6: Final answer
    x = 27,553.54

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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.