Home / 42,180.96-58,213.20-23,321.76

Finding the Fourth Proportional to 42,180.96, 58,213.20 and 23,321.76

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Solution

The fourth proportional to 42,180.96, 58,213.20 and 23,321.76 is: 32,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.96 : 58,213.20 = 23,321.76 : x
  2. Step 2: Convert to fraction form
    42,180.96/58,213.20 = 23,321.76/x
  3. Step 3: Cross multiply
    42,180.96x = 58,213.20 × 23,321.76
  4. Step 4: Simplify right side
    42,180.96x = 1,357,634,279.23
  5. Step 5: Solve for x
    x = 1,357,634,279.23/42,180.96
  6. Step 6: Final answer
    x = 32,185.95

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