Home / 45,101.58-67,650.97-21,426.17

Finding the Fourth Proportional to 45,101.58, 67,650.97 and 21,426.17

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Solution

The fourth proportional to 45,101.58, 67,650.97 and 21,426.17 is: 32,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.58 : 67,650.97 = 21,426.17 : x
  2. Step 2: Convert to fraction form
    45,101.58/67,650.97 = 21,426.17/x
  3. Step 3: Cross multiply
    45,101.58x = 67,650.97 × 21,426.17
  4. Step 4: Simplify right side
    45,101.58x = 1,449,500,845.63
  5. Step 5: Solve for x
    x = 1,449,500,845.63/45,101.58
  6. Step 6: Final answer
    x = 32,138.58

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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.