Home / 51,089.85-76,556.70-21,491.46

Finding the Fourth Proportional to 51,089.85, 76,556.70 and 21,491.46

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Solution

The fourth proportional to 51,089.85, 76,556.70 and 21,491.46 is: 32,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.85 : 76,556.70 = 21,491.46 : x
  2. Step 2: Convert to fraction form
    51,089.85/76,556.70 = 21,491.46/x
  3. Step 3: Cross multiply
    51,089.85x = 76,556.70 × 21,491.46
  4. Step 4: Simplify right side
    51,089.85x = 1,645,315,255.78
  5. Step 5: Solve for x
    x = 1,645,315,255.78/51,089.85
  6. Step 6: Final answer
    x = 32,204.35

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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.