Home / 31,536.38-47,278.92-11,803.88

Finding the Fourth Proportional to 31,536.38, 47,278.92 and 11,803.88

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Solution

The fourth proportional to 31,536.38, 47,278.92 and 11,803.88 is: 17,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.38 : 47,278.92 = 11,803.88 : x
  2. Step 2: Convert to fraction form
    31,536.38/47,278.92 = 11,803.88/x
  3. Step 3: Cross multiply
    31,536.38x = 47,278.92 × 11,803.88
  4. Step 4: Simplify right side
    31,536.38x = 558,074,698.21
  5. Step 5: Solve for x
    x = 558,074,698.21/31,536.38
  6. Step 6: Final answer
    x = 17,696.22

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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.