Home / 31,760.10-43,831.63-17,617.50

Finding the Fourth Proportional to 31,760.10, 43,831.63 and 17,617.50

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Solution

The fourth proportional to 31,760.10, 43,831.63 and 17,617.50 is: 24,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.10 : 43,831.63 = 17,617.50 : x
  2. Step 2: Convert to fraction form
    31,760.10/43,831.63 = 17,617.50/x
  3. Step 3: Cross multiply
    31,760.10x = 43,831.63 × 17,617.50
  4. Step 4: Simplify right side
    31,760.10x = 772,203,741.53
  5. Step 5: Solve for x
    x = 772,203,741.53/31,760.10
  6. Step 6: Final answer
    x = 24,313.64

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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.