Home / 44,142.08-66,224.28-12,977.30

Finding the Fourth Proportional to 44,142.08, 66,224.28 and 12,977.30

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Solution

The fourth proportional to 44,142.08, 66,224.28 and 12,977.30 is: 19,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,142.08 : 66,224.28 = 12,977.30 : x
  2. Step 2: Convert to fraction form
    44,142.08/66,224.28 = 12,977.30/x
  3. Step 3: Cross multiply
    44,142.08x = 66,224.28 × 12,977.30
  4. Step 4: Simplify right side
    44,142.08x = 859,412,348.84
  5. Step 5: Solve for x
    x = 859,412,348.84/44,142.08
  6. Step 6: Final answer
    x = 19,469.23

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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.