Home / 45,006.82-67,498.35-13,408.36

Finding the Fourth Proportional to 45,006.82, 67,498.35 and 13,408.36

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Solution

The fourth proportional to 45,006.82, 67,498.35 and 13,408.36 is: 20,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,006.82 : 67,498.35 = 13,408.36 : x
  2. Step 2: Convert to fraction form
    45,006.82/67,498.35 = 13,408.36/x
  3. Step 3: Cross multiply
    45,006.82x = 67,498.35 × 13,408.36
  4. Step 4: Simplify right side
    45,006.82x = 905,042,176.21
  5. Step 5: Solve for x
    x = 905,042,176.21/45,006.82
  6. Step 6: Final answer
    x = 20,109.00

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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.