Home / 45,189.82-67,739.61-15,588.77

Finding the Fourth Proportional to 45,189.82, 67,739.61 and 15,588.77

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Solution

The fourth proportional to 45,189.82, 67,739.61 and 15,588.77 is: 23,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,189.82 : 67,739.61 = 15,588.77 : x
  2. Step 2: Convert to fraction form
    45,189.82/67,739.61 = 15,588.77/x
  3. Step 3: Cross multiply
    45,189.82x = 67,739.61 × 15,588.77
  4. Step 4: Simplify right side
    45,189.82x = 1,055,977,122.24
  5. Step 5: Solve for x
    x = 1,055,977,122.24/45,189.82
  6. Step 6: Final answer
    x = 23,367.59

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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.