Home / 45,291.24-67,910.94-18,973.80

Finding the Fourth Proportional to 45,291.24, 67,910.94 and 18,973.80

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Solution

The fourth proportional to 45,291.24, 67,910.94 and 18,973.80 is: 28,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291.24 : 67,910.94 = 18,973.80 : x
  2. Step 2: Convert to fraction form
    45,291.24/67,910.94 = 18,973.80/x
  3. Step 3: Cross multiply
    45,291.24x = 67,910.94 × 18,973.80
  4. Step 4: Simplify right side
    45,291.24x = 1,288,528,593.37
  5. Step 5: Solve for x
    x = 1,288,528,593.37/45,291.24
  6. Step 6: Final answer
    x = 28,449.84

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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.