Home / 43,219-64,839.44-12,054.25

Finding the Fourth Proportional to 43,219, 64,839.44 and 12,054.25

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Solution

The fourth proportional to 43,219, 64,839.44 and 12,054.25 is: 18,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219 : 64,839.44 = 12,054.25 : x
  2. Step 2: Convert to fraction form
    43,219/64,839.44 = 12,054.25/x
  3. Step 3: Cross multiply
    43,219x = 64,839.44 × 12,054.25
  4. Step 4: Simplify right side
    43,219x = 781,590,819.62
  5. Step 5: Solve for x
    x = 781,590,819.62/43,219
  6. Step 6: Final answer
    x = 18,084.43

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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.