Home / 57,449.07-86,173.61-18,006.39

Finding the Fourth Proportional to 57,449.07, 86,173.61 and 18,006.39

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Solution

The fourth proportional to 57,449.07, 86,173.61 and 18,006.39 is: 27,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,449.07 : 86,173.61 = 18,006.39 : x
  2. Step 2: Convert to fraction form
    57,449.07/86,173.61 = 18,006.39/x
  3. Step 3: Cross multiply
    57,449.07x = 86,173.61 × 18,006.39
  4. Step 4: Simplify right side
    57,449.07x = 1,551,675,539.34
  5. Step 5: Solve for x
    x = 1,551,675,539.34/57,449.07
  6. Step 6: Final answer
    x = 27,009.59

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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.