Home / 51,588.90-77,235.73-31,733.78

Finding the Fourth Proportional to 51,588.90, 77,235.73 and 31,733.78

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Solution

The fourth proportional to 51,588.90, 77,235.73 and 31,733.78 is: 47,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.90 : 77,235.73 = 31,733.78 : x
  2. Step 2: Convert to fraction form
    51,588.90/77,235.73 = 31,733.78/x
  3. Step 3: Cross multiply
    51,588.90x = 77,235.73 × 31,733.78
  4. Step 4: Simplify right side
    51,588.90x = 2,450,981,198.45
  5. Step 5: Solve for x
    x = 2,450,981,198.45/51,588.90
  6. Step 6: Final answer
    x = 47,509.86

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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.