Home / 44,228.42-66,348.40-12,639.63

Finding the Fourth Proportional to 44,228.42, 66,348.40 and 12,639.63

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Solution

The fourth proportional to 44,228.42, 66,348.40 and 12,639.63 is: 18,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,228.42 : 66,348.40 = 12,639.63 : x
  2. Step 2: Convert to fraction form
    44,228.42/66,348.40 = 12,639.63/x
  3. Step 3: Cross multiply
    44,228.42x = 66,348.40 × 12,639.63
  4. Step 4: Simplify right side
    44,228.42x = 838,619,227.09
  5. Step 5: Solve for x
    x = 838,619,227.09/44,228.42
  6. Step 6: Final answer
    x = 18,961.09

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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.