Home / 43,577.34-65,393.66-18,617.57

Finding the Fourth Proportional to 43,577.34, 65,393.66 and 18,617.57

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Solution

The fourth proportional to 43,577.34, 65,393.66 and 18,617.57 is: 27,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.34 : 65,393.66 = 18,617.57 : x
  2. Step 2: Convert to fraction form
    43,577.34/65,393.66 = 18,617.57/x
  3. Step 3: Cross multiply
    43,577.34x = 65,393.66 × 18,617.57
  4. Step 4: Simplify right side
    43,577.34x = 1,217,471,042.61
  5. Step 5: Solve for x
    x = 1,217,471,042.61/43,577.34
  6. Step 6: Final answer
    x = 27,938.17

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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.