Home / 31,764.17-47,672.45-15,973.69

Finding the Fourth Proportional to 31,764.17, 47,672.45 and 15,973.69

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Solution

The fourth proportional to 31,764.17, 47,672.45 and 15,973.69 is: 23,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.17 : 47,672.45 = 15,973.69 : x
  2. Step 2: Convert to fraction form
    31,764.17/47,672.45 = 15,973.69/x
  3. Step 3: Cross multiply
    31,764.17x = 47,672.45 × 15,973.69
  4. Step 4: Simplify right side
    31,764.17x = 761,504,888.08
  5. Step 5: Solve for x
    x = 761,504,888.08/31,764.17
  6. Step 6: Final answer
    x = 23,973.71

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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.