Home / 45,301.58-67,922.38-21,612.79

Finding the Fourth Proportional to 45,301.58, 67,922.38 and 21,612.79

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Solution

The fourth proportional to 45,301.58, 67,922.38 and 21,612.79 is: 32,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.58 : 67,922.38 = 21,612.79 : x
  2. Step 2: Convert to fraction form
    45,301.58/67,922.38 = 21,612.79/x
  3. Step 3: Cross multiply
    45,301.58x = 67,922.38 × 21,612.79
  4. Step 4: Simplify right side
    45,301.58x = 1,467,991,925.88
  5. Step 5: Solve for x
    x = 1,467,991,925.88/45,301.58
  6. Step 6: Final answer
    x = 32,404.87

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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.