Home / 31,491.36-47,006.64-27,754.80

Finding the Fourth Proportional to 31,491.36, 47,006.64 and 27,754.80

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Solution

The fourth proportional to 31,491.36, 47,006.64 and 27,754.80 is: 41,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.36 : 47,006.64 = 27,754.80 : x
  2. Step 2: Convert to fraction form
    31,491.36/47,006.64 = 27,754.80/x
  3. Step 3: Cross multiply
    31,491.36x = 47,006.64 × 27,754.80
  4. Step 4: Simplify right side
    31,491.36x = 1,304,659,891.87
  5. Step 5: Solve for x
    x = 1,304,659,891.87/31,491.36
  6. Step 6: Final answer
    x = 41,429.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.