Home / 43,605.90-60,177.42-30,881.88

Finding the Fourth Proportional to 43,605.90, 60,177.42 and 30,881.88

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Solution

The fourth proportional to 43,605.90, 60,177.42 and 30,881.88 is: 42,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,605.90 : 60,177.42 = 30,881.88 : x
  2. Step 2: Convert to fraction form
    43,605.90/60,177.42 = 30,881.88/x
  3. Step 3: Cross multiply
    43,605.90x = 60,177.42 × 30,881.88
  4. Step 4: Simplify right side
    43,605.90x = 1,858,391,863.15
  5. Step 5: Solve for x
    x = 1,858,391,863.15/43,605.90
  6. Step 6: Final answer
    x = 42,617.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.