Home / 51,299.38-76,890.75-21,698.74

Finding the Fourth Proportional to 51,299.38, 76,890.75 and 21,698.74

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Solution

The fourth proportional to 51,299.38, 76,890.75 and 21,698.74 is: 32,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,299.38 : 76,890.75 = 21,698.74 : x
  2. Step 2: Convert to fraction form
    51,299.38/76,890.75 = 21,698.74/x
  3. Step 3: Cross multiply
    51,299.38x = 76,890.75 × 21,698.74
  4. Step 4: Simplify right side
    51,299.38x = 1,668,432,392.66
  5. Step 5: Solve for x
    x = 1,668,432,392.66/51,299.38
  6. Step 6: Final answer
    x = 32,523.44

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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.