Home / 39,832.96-59,739.52-12,130.56

Finding the Fourth Proportional to 39,832.96, 59,739.52 and 12,130.56

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Solution

The fourth proportional to 39,832.96, 59,739.52 and 12,130.56 is: 18,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.96 : 59,739.52 = 12,130.56 : x
  2. Step 2: Convert to fraction form
    39,832.96/59,739.52 = 12,130.56/x
  3. Step 3: Cross multiply
    39,832.96x = 59,739.52 × 12,130.56
  4. Step 4: Simplify right side
    39,832.96x = 724,673,831.73
  5. Step 5: Solve for x
    x = 724,673,831.73/39,832.96
  6. Step 6: Final answer
    x = 18,192.82

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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.