Home / 45,550.48-68,338.94-18,891.58

Finding the Fourth Proportional to 45,550.48, 68,338.94 and 18,891.58

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Solution

The fourth proportional to 45,550.48, 68,338.94 and 18,891.58 is: 28,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.48 : 68,338.94 = 18,891.58 : x
  2. Step 2: Convert to fraction form
    45,550.48/68,338.94 = 18,891.58/x
  3. Step 3: Cross multiply
    45,550.48x = 68,338.94 × 18,891.58
  4. Step 4: Simplify right side
    45,550.48x = 1,291,030,552.13
  5. Step 5: Solve for x
    x = 1,291,030,552.13/45,550.48
  6. Step 6: Final answer
    x = 28,342.85

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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.