Home / 44,076.48-66,104.70-12,489.84

Finding the Fourth Proportional to 44,076.48, 66,104.70 and 12,489.84

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Solution

The fourth proportional to 44,076.48, 66,104.70 and 12,489.84 is: 18,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,076.48 : 66,104.70 = 12,489.84 : x
  2. Step 2: Convert to fraction form
    44,076.48/66,104.70 = 12,489.84/x
  3. Step 3: Cross multiply
    44,076.48x = 66,104.70 × 12,489.84
  4. Step 4: Simplify right side
    44,076.48x = 825,637,126.25
  5. Step 5: Solve for x
    x = 825,637,126.25/44,076.48
  6. Step 6: Final answer
    x = 18,731.92

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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.