Home / 31,973.16-47,959.79-9,786.63

Finding the Fourth Proportional to 31,973.16, 47,959.79 and 9,786.63

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Solution

The fourth proportional to 31,973.16, 47,959.79 and 9,786.63 is: 14,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.16 : 47,959.79 = 9,786.63 : x
  2. Step 2: Convert to fraction form
    31,973.16/47,959.79 = 9,786.63/x
  3. Step 3: Cross multiply
    31,973.16x = 47,959.79 × 9,786.63
  4. Step 4: Simplify right side
    31,973.16x = 469,364,670.67
  5. Step 5: Solve for x
    x = 469,364,670.67/31,973.16
  6. Step 6: Final answer
    x = 14,679.96

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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.