Home / 51,228.18-76,860.36-17,957.52

Finding the Fourth Proportional to 51,228.18, 76,860.36 and 17,957.52

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Solution

The fourth proportional to 51,228.18, 76,860.36 and 17,957.52 is: 26,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.18 : 76,860.36 = 17,957.52 : x
  2. Step 2: Convert to fraction form
    51,228.18/76,860.36 = 17,957.52/x
  3. Step 3: Cross multiply
    51,228.18x = 76,860.36 × 17,957.52
  4. Step 4: Simplify right side
    51,228.18x = 1,380,221,451.91
  5. Step 5: Solve for x
    x = 1,380,221,451.91/51,228.18
  6. Step 6: Final answer
    x = 26,942.62

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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.