Home / 51,586.20-71,189.10-29,230.20

Finding the Fourth Proportional to 51,586.20, 71,189.10 and 29,230.20

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Solution

The fourth proportional to 51,586.20, 71,189.10 and 29,230.20 is: 40,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,586.20 : 71,189.10 = 29,230.20 : x
  2. Step 2: Convert to fraction form
    51,586.20/71,189.10 = 29,230.20/x
  3. Step 3: Cross multiply
    51,586.20x = 71,189.10 × 29,230.20
  4. Step 4: Simplify right side
    51,586.20x = 2,080,871,630.82
  5. Step 5: Solve for x
    x = 2,080,871,630.82/51,586.20
  6. Step 6: Final answer
    x = 40,337.76

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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.