Home / 51,161.28-76,752.33-21,579.22

Finding the Fourth Proportional to 51,161.28, 76,752.33 and 21,579.22

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Solution

The fourth proportional to 51,161.28, 76,752.33 and 21,579.22 is: 32,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.28 : 76,752.33 = 21,579.22 : x
  2. Step 2: Convert to fraction form
    51,161.28/76,752.33 = 21,579.22/x
  3. Step 3: Cross multiply
    51,161.28x = 76,752.33 × 21,579.22
  4. Step 4: Simplify right side
    51,161.28x = 1,656,255,414.58
  5. Step 5: Solve for x
    x = 1,656,255,414.58/51,161.28
  6. Step 6: Final answer
    x = 32,373.22

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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.