Home / 51,272.10-76,901.55-16,215.30

Finding the Fourth Proportional to 51,272.10, 76,901.55 and 16,215.30

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Solution

The fourth proportional to 51,272.10, 76,901.55 and 16,215.30 is: 24,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,272.10 : 76,901.55 = 16,215.30 : x
  2. Step 2: Convert to fraction form
    51,272.10/76,901.55 = 16,215.30/x
  3. Step 3: Cross multiply
    51,272.10x = 76,901.55 × 16,215.30
  4. Step 4: Simplify right side
    51,272.10x = 1,246,981,703.72
  5. Step 5: Solve for x
    x = 1,246,981,703.72/51,272.10
  6. Step 6: Final answer
    x = 24,320.86

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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.