Home / 44,443.20-66,639.60-18,117.12

Finding the Fourth Proportional to 44,443.20, 66,639.60 and 18,117.12

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Solution

The fourth proportional to 44,443.20, 66,639.60 and 18,117.12 is: 27,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,443.20 : 66,639.60 = 18,117.12 : x
  2. Step 2: Convert to fraction form
    44,443.20/66,639.60 = 18,117.12/x
  3. Step 3: Cross multiply
    44,443.20x = 66,639.60 × 18,117.12
  4. Step 4: Simplify right side
    44,443.20x = 1,207,317,629.95
  5. Step 5: Solve for x
    x = 1,207,317,629.95/44,443.20
  6. Step 6: Final answer
    x = 27,165.41

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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.