Home / 31,533.47-43,491.57-20,204.03

Finding the Fourth Proportional to 31,533.47, 43,491.57 and 20,204.03

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Solution

The fourth proportional to 31,533.47, 43,491.57 and 20,204.03 is: 27,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.47 : 43,491.57 = 20,204.03 : x
  2. Step 2: Convert to fraction form
    31,533.47/43,491.57 = 20,204.03/x
  3. Step 3: Cross multiply
    31,533.47x = 43,491.57 × 20,204.03
  4. Step 4: Simplify right side
    31,533.47x = 878,704,767.57
  5. Step 5: Solve for x
    x = 878,704,767.57/31,533.47
  6. Step 6: Final answer
    x = 27,865.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.