Home / 44,309.40-66,441.30-13,140.60

Finding the Fourth Proportional to 44,309.40, 66,441.30 and 13,140.60

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Solution

The fourth proportional to 44,309.40, 66,441.30 and 13,140.60 is: 19,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,309.40 : 66,441.30 = 13,140.60 : x
  2. Step 2: Convert to fraction form
    44,309.40/66,441.30 = 13,140.60/x
  3. Step 3: Cross multiply
    44,309.40x = 66,441.30 × 13,140.60
  4. Step 4: Simplify right side
    44,309.40x = 873,078,546.78
  5. Step 5: Solve for x
    x = 873,078,546.78/44,309.40
  6. Step 6: Final answer
    x = 19,704.14

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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.