Home / 51,183.20-70,638.02-28,525.88

Finding the Fourth Proportional to 51,183.20, 70,638.02 and 28,525.88

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Solution

The fourth proportional to 51,183.20, 70,638.02 and 28,525.88 is: 39,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.20 : 70,638.02 = 28,525.88 : x
  2. Step 2: Convert to fraction form
    51,183.20/70,638.02 = 28,525.88/x
  3. Step 3: Cross multiply
    51,183.20x = 70,638.02 × 28,525.88
  4. Step 4: Simplify right side
    51,183.20x = 2,015,011,681.96
  5. Step 5: Solve for x
    x = 2,015,011,681.96/51,183.20
  6. Step 6: Final answer
    x = 39,368.61

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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.