Home / 56,450.34-84,645.54-18,997.92

Finding the Fourth Proportional to 56,450.34, 84,645.54 and 18,997.92

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Solution

The fourth proportional to 56,450.34, 84,645.54 and 18,997.92 is: 28,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.34 : 84,645.54 = 18,997.92 : x
  2. Step 2: Convert to fraction form
    56,450.34/84,645.54 = 18,997.92/x
  3. Step 3: Cross multiply
    56,450.34x = 84,645.54 × 18,997.92
  4. Step 4: Simplify right side
    56,450.34x = 1,608,089,197.28
  5. Step 5: Solve for x
    x = 1,608,089,197.28/56,450.34
  6. Step 6: Final answer
    x = 28,486.79

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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.