Home / 45,091.29-67,645.44-13,919.25

Finding the Fourth Proportional to 45,091.29, 67,645.44 and 13,919.25

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Solution

The fourth proportional to 45,091.29, 67,645.44 and 13,919.25 is: 20,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,091.29 : 67,645.44 = 13,919.25 : x
  2. Step 2: Convert to fraction form
    45,091.29/67,645.44 = 13,919.25/x
  3. Step 3: Cross multiply
    45,091.29x = 67,645.44 × 13,919.25
  4. Step 4: Simplify right side
    45,091.29x = 941,573,790.72
  5. Step 5: Solve for x
    x = 941,573,790.72/45,091.29
  6. Step 6: Final answer
    x = 20,881.50

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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.