Home / 45,005.19-67,511.63-11,725.26

Finding the Fourth Proportional to 45,005.19, 67,511.63 and 11,725.26

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Solution

The fourth proportional to 45,005.19, 67,511.63 and 11,725.26 is: 17,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,005.19 : 67,511.63 = 11,725.26 : x
  2. Step 2: Convert to fraction form
    45,005.19/67,511.63 = 11,725.26/x
  3. Step 3: Cross multiply
    45,005.19x = 67,511.63 × 11,725.26
  4. Step 4: Simplify right side
    45,005.19x = 791,591,414.77
  5. Step 5: Solve for x
    x = 791,591,414.77/45,005.19
  6. Step 6: Final answer
    x = 17,588.89

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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.