Home / 53,688.52-80,530.62-18,636.04

Finding the Fourth Proportional to 53,688.52, 80,530.62 and 18,636.04

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Solution

The fourth proportional to 53,688.52, 80,530.62 and 18,636.04 is: 27,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.52 : 80,530.62 = 18,636.04 : x
  2. Step 2: Convert to fraction form
    53,688.52/80,530.62 = 18,636.04/x
  3. Step 3: Cross multiply
    53,688.52x = 80,530.62 × 18,636.04
  4. Step 4: Simplify right side
    53,688.52x = 1,500,771,855.54
  5. Step 5: Solve for x
    x = 1,500,771,855.54/53,688.52
  6. Step 6: Final answer
    x = 27,953.31

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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.