Home / 58,180.37-87,284.21-18,735.99

Finding the Fourth Proportional to 58,180.37, 87,284.21 and 18,735.99

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Solution

The fourth proportional to 58,180.37, 87,284.21 and 18,735.99 is: 28,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,180.37 : 87,284.21 = 18,735.99 : x
  2. Step 2: Convert to fraction form
    58,180.37/87,284.21 = 18,735.99/x
  3. Step 3: Cross multiply
    58,180.37x = 87,284.21 × 18,735.99
  4. Step 4: Simplify right side
    58,180.37x = 1,635,355,992.04
  5. Step 5: Solve for x
    x = 1,635,355,992.04/58,180.37
  6. Step 6: Final answer
    x = 28,108.38

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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.