Home / 31,504.53-43,477.73-18,754.83

Finding the Fourth Proportional to 31,504.53, 43,477.73 and 18,754.83

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Solution

The fourth proportional to 31,504.53, 43,477.73 and 18,754.83 is: 25,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.53 : 43,477.73 = 18,754.83 : x
  2. Step 2: Convert to fraction form
    31,504.53/43,477.73 = 18,754.83/x
  3. Step 3: Cross multiply
    31,504.53x = 43,477.73 × 18,754.83
  4. Step 4: Simplify right side
    31,504.53x = 815,417,434.94
  5. Step 5: Solve for x
    x = 815,417,434.94/31,504.53
  6. Step 6: Final answer
    x = 25,882.55

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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.