Home / 44,210.28-66,319.37-12,619.75

Finding the Fourth Proportional to 44,210.28, 66,319.37 and 12,619.75

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Solution

The fourth proportional to 44,210.28, 66,319.37 and 12,619.75 is: 18,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,210.28 : 66,319.37 = 12,619.75 : x
  2. Step 2: Convert to fraction form
    44,210.28/66,319.37 = 12,619.75/x
  3. Step 3: Cross multiply
    44,210.28x = 66,319.37 × 12,619.75
  4. Step 4: Simplify right side
    44,210.28x = 836,933,830.08
  5. Step 5: Solve for x
    x = 836,933,830.08/44,210.28
  6. Step 6: Final answer
    x = 18,930.75

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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.