Home / 42,180-58,203.36-23,314.56

Finding the Fourth Proportional to 42,180, 58,203.36 and 23,314.56

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Solution

The fourth proportional to 42,180, 58,203.36 and 23,314.56 is: 32,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180 : 58,203.36 = 23,314.56 : x
  2. Step 2: Convert to fraction form
    42,180/58,203.36 = 23,314.56/x
  3. Step 3: Cross multiply
    42,180x = 58,203.36 × 23,314.56
  4. Step 4: Simplify right side
    42,180x = 1,356,985,728.92
  5. Step 5: Solve for x
    x = 1,356,985,728.92/42,180
  6. Step 6: Final answer
    x = 32,171.31

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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.