Home / 51,269.58-76,909.86-21,690.41

Finding the Fourth Proportional to 51,269.58, 76,909.86 and 21,690.41

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Solution

The fourth proportional to 51,269.58, 76,909.86 and 21,690.41 is: 32,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.58 : 76,909.86 = 21,690.41 : x
  2. Step 2: Convert to fraction form
    51,269.58/76,909.86 = 21,690.41/x
  3. Step 3: Cross multiply
    51,269.58x = 76,909.86 × 21,690.41
  4. Step 4: Simplify right side
    51,269.58x = 1,668,206,011.89
  5. Step 5: Solve for x
    x = 1,668,206,011.89/51,269.58
  6. Step 6: Final answer
    x = 32,537.93

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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.