Home / 43,577.57-65,393.96-18,617.74

Finding the Fourth Proportional to 43,577.57, 65,393.96 and 18,617.74

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Solution

The fourth proportional to 43,577.57, 65,393.96 and 18,617.74 is: 27,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.57 : 65,393.96 = 18,617.74 : x
  2. Step 2: Convert to fraction form
    43,577.57/65,393.96 = 18,617.74/x
  3. Step 3: Cross multiply
    43,577.57x = 65,393.96 × 18,617.74
  4. Step 4: Simplify right side
    43,577.57x = 1,217,487,488.28
  5. Step 5: Solve for x
    x = 1,217,487,488.28/43,577.57
  6. Step 6: Final answer
    x = 27,938.40

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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.