Home / 31,708.24-47,528.03-20,622.88

Finding the Fourth Proportional to 31,708.24, 47,528.03 and 20,622.88

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Solution

The fourth proportional to 31,708.24, 47,528.03 and 20,622.88 is: 30,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.24 : 47,528.03 = 20,622.88 : x
  2. Step 2: Convert to fraction form
    31,708.24/47,528.03 = 20,622.88/x
  3. Step 3: Cross multiply
    31,708.24x = 47,528.03 × 20,622.88
  4. Step 4: Simplify right side
    31,708.24x = 980,164,970.29
  5. Step 5: Solve for x
    x = 980,164,970.29/31,708.24
  6. Step 6: Final answer
    x = 30,912.00

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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.