Home / 45,107.70-67,625.51-21,403.32

Finding the Fourth Proportional to 45,107.70, 67,625.51 and 21,403.32

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Solution

The fourth proportional to 45,107.70, 67,625.51 and 21,403.32 is: 32,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,107.70 : 67,625.51 = 21,403.32 : x
  2. Step 2: Convert to fraction form
    45,107.70/67,625.51 = 21,403.32/x
  3. Step 3: Cross multiply
    45,107.70x = 67,625.51 × 21,403.32
  4. Step 4: Simplify right side
    45,107.70x = 1,447,410,323.68
  5. Step 5: Solve for x
    x = 1,447,410,323.68/45,107.70
  6. Step 6: Final answer
    x = 32,087.88

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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.