Home / 34,434.36-47,517.86-21,003.48

Finding the Fourth Proportional to 34,434.36, 47,517.86 and 21,003.48

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Solution

The fourth proportional to 34,434.36, 47,517.86 and 21,003.48 is: 28,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,434.36 : 47,517.86 = 21,003.48 : x
  2. Step 2: Convert to fraction form
    34,434.36/47,517.86 = 21,003.48/x
  3. Step 3: Cross multiply
    34,434.36x = 47,517.86 × 21,003.48
  4. Step 4: Simplify right side
    34,434.36x = 998,040,422.15
  5. Step 5: Solve for x
    x = 998,040,422.15/34,434.36
  6. Step 6: Final answer
    x = 28,983.85

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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.