Home / 57,670.45-86,533.31-31,375.18

Finding the Fourth Proportional to 57,670.45, 86,533.31 and 31,375.18

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Solution

The fourth proportional to 57,670.45, 86,533.31 and 31,375.18 is: 47,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.45 : 86,533.31 = 31,375.18 : x
  2. Step 2: Convert to fraction form
    57,670.45/86,533.31 = 31,375.18/x
  3. Step 3: Cross multiply
    57,670.45x = 86,533.31 × 31,375.18
  4. Step 4: Simplify right side
    57,670.45x = 2,714,998,363.85
  5. Step 5: Solve for x
    x = 2,714,998,363.85/57,670.45
  6. Step 6: Final answer
    x = 47,077.81

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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.