Home / 31,604.58-43,603.56-20,273.22

Finding the Fourth Proportional to 31,604.58, 43,603.56 and 20,273.22

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Solution

The fourth proportional to 31,604.58, 43,603.56 and 20,273.22 is: 27,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,604.58 : 43,603.56 = 20,273.22 : x
  2. Step 2: Convert to fraction form
    31,604.58/43,603.56 = 20,273.22/x
  3. Step 3: Cross multiply
    31,604.58x = 43,603.56 × 20,273.22
  4. Step 4: Simplify right side
    31,604.58x = 883,984,564.66
  5. Step 5: Solve for x
    x = 883,984,564.66/31,604.58
  6. Step 6: Final answer
    x = 27,970.14

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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.