Home / 29,176.44-40,270.86-20,000.76

Finding the Fourth Proportional to 29,176.44, 40,270.86 and 20,000.76

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Solution

The fourth proportional to 29,176.44, 40,270.86 and 20,000.76 is: 27,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,176.44 : 40,270.86 = 20,000.76 : x
  2. Step 2: Convert to fraction form
    29,176.44/40,270.86 = 20,000.76/x
  3. Step 3: Cross multiply
    29,176.44x = 40,270.86 × 20,000.76
  4. Step 4: Simplify right side
    29,176.44x = 805,447,805.85
  5. Step 5: Solve for x
    x = 805,447,805.85/29,176.44
  6. Step 6: Final answer
    x = 27,606.10

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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.