Home / 53,577.88-80,365.91-18,516.62

Finding the Fourth Proportional to 53,577.88, 80,365.91 and 18,516.62

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Solution

The fourth proportional to 53,577.88, 80,365.91 and 18,516.62 is: 27,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,577.88 : 80,365.91 = 18,516.62 : x
  2. Step 2: Convert to fraction form
    53,577.88/80,365.91 = 18,516.62/x
  3. Step 3: Cross multiply
    53,577.88x = 80,365.91 × 18,516.62
  4. Step 4: Simplify right side
    53,577.88x = 1,488,105,124.76
  5. Step 5: Solve for x
    x = 1,488,105,124.76/53,577.88
  6. Step 6: Final answer
    x = 27,774.62

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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.