Home / 51,182.74-76,814.61-21,620.98

Finding the Fourth Proportional to 51,182.74, 76,814.61 and 21,620.98

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Solution

The fourth proportional to 51,182.74, 76,814.61 and 21,620.98 is: 32,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,182.74 : 76,814.61 = 21,620.98 : x
  2. Step 2: Convert to fraction form
    51,182.74/76,814.61 = 21,620.98/x
  3. Step 3: Cross multiply
    51,182.74x = 76,814.61 × 21,620.98
  4. Step 4: Simplify right side
    51,182.74x = 1,660,807,146.52
  5. Step 5: Solve for x
    x = 1,660,807,146.52/51,182.74
  6. Step 6: Final answer
    x = 32,448.58

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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.