Home / 43,461.23-65,179.28-19,755.56

Finding the Fourth Proportional to 43,461.23, 65,179.28 and 19,755.56

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Solution

The fourth proportional to 43,461.23, 65,179.28 and 19,755.56 is: 29,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.23 : 65,179.28 = 19,755.56 : x
  2. Step 2: Convert to fraction form
    43,461.23/65,179.28 = 19,755.56/x
  3. Step 3: Cross multiply
    43,461.23x = 65,179.28 × 19,755.56
  4. Step 4: Simplify right side
    43,461.23x = 1,287,653,389.13
  5. Step 5: Solve for x
    x = 1,287,653,389.13/43,461.23
  6. Step 6: Final answer
    x = 29,627.64

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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.