Home / 42,829.44-64,250.33-13,249.57

Finding the Fourth Proportional to 42,829.44, 64,250.33 and 13,249.57

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Solution

The fourth proportional to 42,829.44, 64,250.33 and 13,249.57 is: 19,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,829.44 : 64,250.33 = 13,249.57 : x
  2. Step 2: Convert to fraction form
    42,829.44/64,250.33 = 13,249.57/x
  3. Step 3: Cross multiply
    42,829.44x = 64,250.33 × 13,249.57
  4. Step 4: Simplify right side
    42,829.44x = 851,289,244.86
  5. Step 5: Solve for x
    x = 851,289,244.86/42,829.44
  6. Step 6: Final answer
    x = 19,876.26

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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.