Home / 31,352.94-43,267.05-17,205.78

Finding the Fourth Proportional to 31,352.94, 43,267.05 and 17,205.78

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Solution

The fourth proportional to 31,352.94, 43,267.05 and 17,205.78 is: 23,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.94 : 43,267.05 = 17,205.78 : x
  2. Step 2: Convert to fraction form
    31,352.94/43,267.05 = 17,205.78/x
  3. Step 3: Cross multiply
    31,352.94x = 43,267.05 × 17,205.78
  4. Step 4: Simplify right side
    31,352.94x = 744,443,462.15
  5. Step 5: Solve for x
    x = 744,443,462.15/31,352.94
  6. Step 6: Final answer
    x = 23,743.98

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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.