Home / 51,611.76-71,225.30-29,255.76

Finding the Fourth Proportional to 51,611.76, 71,225.30 and 29,255.76

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Solution

The fourth proportional to 51,611.76, 71,225.30 and 29,255.76 is: 40,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,611.76 : 71,225.30 = 29,255.76 : x
  2. Step 2: Convert to fraction form
    51,611.76/71,225.30 = 29,255.76/x
  3. Step 3: Cross multiply
    51,611.76x = 71,225.30 × 29,255.76
  4. Step 4: Simplify right side
    51,611.76x = 2,083,750,282.73
  5. Step 5: Solve for x
    x = 2,083,750,282.73/51,611.76
  6. Step 6: Final answer
    x = 40,373.56

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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.