Home / 51,162.28-76,753.83-21,580.22

Finding the Fourth Proportional to 51,162.28, 76,753.83 and 21,580.22

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Solution

The fourth proportional to 51,162.28, 76,753.83 and 21,580.22 is: 32,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,162.28 : 76,753.83 = 21,580.22 : x
  2. Step 2: Convert to fraction form
    51,162.28/76,753.83 = 21,580.22/x
  3. Step 3: Cross multiply
    51,162.28x = 76,753.83 × 21,580.22
  4. Step 4: Simplify right side
    51,162.28x = 1,656,364,537.24
  5. Step 5: Solve for x
    x = 1,656,364,537.24/51,162.28
  6. Step 6: Final answer
    x = 32,374.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.