Home / 53,539.14-80,310.03-18,000.99

Finding the Fourth Proportional to 53,539.14, 80,310.03 and 18,000.99

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Solution

The fourth proportional to 53,539.14, 80,310.03 and 18,000.99 is: 27,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,539.14 : 80,310.03 = 18,000.99 : x
  2. Step 2: Convert to fraction form
    53,539.14/80,310.03 = 18,000.99/x
  3. Step 3: Cross multiply
    53,539.14x = 80,310.03 × 18,000.99
  4. Step 4: Simplify right side
    53,539.14x = 1,445,660,046.93
  5. Step 5: Solve for x
    x = 1,445,660,046.93/53,539.14
  6. Step 6: Final answer
    x = 27,001.93

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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.