Home / 31,831.56-47,674.66-15,203.31

Finding the Fourth Proportional to 31,831.56, 47,674.66 and 15,203.31

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Solution

The fourth proportional to 31,831.56, 47,674.66 and 15,203.31 is: 22,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.56 : 47,674.66 = 15,203.31 : x
  2. Step 2: Convert to fraction form
    31,831.56/47,674.66 = 15,203.31/x
  3. Step 3: Cross multiply
    31,831.56x = 47,674.66 × 15,203.31
  4. Step 4: Simplify right side
    31,831.56x = 724,812,635.12
  5. Step 5: Solve for x
    x = 724,812,635.12/31,831.56
  6. Step 6: Final answer
    x = 22,770.25

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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.