Home / 40,045.35-60,067.21-11,965.49

Finding the Fourth Proportional to 40,045.35, 60,067.21 and 11,965.49

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Solution

The fourth proportional to 40,045.35, 60,067.21 and 11,965.49 is: 17,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.35 : 60,067.21 = 11,965.49 : x
  2. Step 2: Convert to fraction form
    40,045.35/60,067.21 = 11,965.49/x
  3. Step 3: Cross multiply
    40,045.35x = 60,067.21 × 11,965.49
  4. Step 4: Simplify right side
    40,045.35x = 718,733,300.25
  5. Step 5: Solve for x
    x = 718,733,300.25/40,045.35
  6. Step 6: Final answer
    x = 17,947.98

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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.