Home / 29,146.72-40,220.94-17,205.70

Finding the Fourth Proportional to 29,146.72, 40,220.94 and 17,205.70

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Solution

The fourth proportional to 29,146.72, 40,220.94 and 17,205.70 is: 23,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.72 : 40,220.94 = 17,205.70 : x
  2. Step 2: Convert to fraction form
    29,146.72/40,220.94 = 17,205.70/x
  3. Step 3: Cross multiply
    29,146.72x = 40,220.94 × 17,205.70
  4. Step 4: Simplify right side
    29,146.72x = 692,029,427.36
  5. Step 5: Solve for x
    x = 692,029,427.36/29,146.72
  6. Step 6: Final answer
    x = 23,742.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.