Home / 51,910.80-71,638.39-29,250.06

Finding the Fourth Proportional to 51,910.80, 71,638.39 and 29,250.06

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Solution

The fourth proportional to 51,910.80, 71,638.39 and 29,250.06 is: 40,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,910.80 : 71,638.39 = 29,250.06 : x
  2. Step 2: Convert to fraction form
    51,910.80/71,638.39 = 29,250.06/x
  3. Step 3: Cross multiply
    51,910.80x = 71,638.39 × 29,250.06
  4. Step 4: Simplify right side
    51,910.80x = 2,095,426,847.61
  5. Step 5: Solve for x
    x = 2,095,426,847.61/51,910.80
  6. Step 6: Final answer
    x = 40,365.92

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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.