Home / 42,581.60-58,729.08-36,982.88

Finding the Fourth Proportional to 42,581.60, 58,729.08 and 36,982.88

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Solution

The fourth proportional to 42,581.60, 58,729.08 and 36,982.88 is: 51,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.60 : 58,729.08 = 36,982.88 : x
  2. Step 2: Convert to fraction form
    42,581.60/58,729.08 = 36,982.88/x
  3. Step 3: Cross multiply
    42,581.60x = 58,729.08 × 36,982.88
  4. Step 4: Simplify right side
    42,581.60x = 2,171,970,518.15
  5. Step 5: Solve for x
    x = 2,171,970,518.15/42,581.60
  6. Step 6: Final answer
    x = 51,007.25

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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.