Home / 47,606.40-65,614.84-31,662.36

Finding the Fourth Proportional to 47,606.40, 65,614.84 and 31,662.36

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Solution

The fourth proportional to 47,606.40, 65,614.84 and 31,662.36 is: 43,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,606.40 : 65,614.84 = 31,662.36 : x
  2. Step 2: Convert to fraction form
    47,606.40/65,614.84 = 31,662.36/x
  3. Step 3: Cross multiply
    47,606.40x = 65,614.84 × 31,662.36
  4. Step 4: Simplify right side
    47,606.40x = 2,077,520,685.42
  5. Step 5: Solve for x
    x = 2,077,520,685.42/47,606.40
  6. Step 6: Final answer
    x = 43,639.53

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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.