Home / 31,964.42-47,955.33-9,777.30

Finding the Fourth Proportional to 31,964.42, 47,955.33 and 9,777.30

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Solution

The fourth proportional to 31,964.42, 47,955.33 and 9,777.30 is: 14,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.42 : 47,955.33 = 9,777.30 : x
  2. Step 2: Convert to fraction form
    31,964.42/47,955.33 = 9,777.30/x
  3. Step 3: Cross multiply
    31,964.42x = 47,955.33 × 9,777.30
  4. Step 4: Simplify right side
    31,964.42x = 468,873,648.01
  5. Step 5: Solve for x
    x = 468,873,648.01/31,964.42
  6. Step 6: Final answer
    x = 14,668.61

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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.