Home / 44,455.40-66,660.30-13,286.60

Finding the Fourth Proportional to 44,455.40, 66,660.30 and 13,286.60

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Solution

The fourth proportional to 44,455.40, 66,660.30 and 13,286.60 is: 19,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,455.40 : 66,660.30 = 13,286.60 : x
  2. Step 2: Convert to fraction form
    44,455.40/66,660.30 = 13,286.60/x
  3. Step 3: Cross multiply
    44,455.40x = 66,660.30 × 13,286.60
  4. Step 4: Simplify right side
    44,455.40x = 885,688,741.98
  5. Step 5: Solve for x
    x = 885,688,741.98/44,455.40
  6. Step 6: Final answer
    x = 19,923.09

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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.