Home / 42,811.03-64,245.76-15,109.03

Finding the Fourth Proportional to 42,811.03, 64,245.76 and 15,109.03

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Solution

The fourth proportional to 42,811.03, 64,245.76 and 15,109.03 is: 22,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,811.03 : 64,245.76 = 15,109.03 : x
  2. Step 2: Convert to fraction form
    42,811.03/64,245.76 = 15,109.03/x
  3. Step 3: Cross multiply
    42,811.03x = 64,245.76 × 15,109.03
  4. Step 4: Simplify right side
    42,811.03x = 970,691,157.75
  5. Step 5: Solve for x
    x = 970,691,157.75/42,811.03
  6. Step 6: Final answer
    x = 22,673.86

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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.