Home / 31,352.40-43,267.56-17,205.75

Finding the Fourth Proportional to 31,352.40, 43,267.56 and 17,205.75

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Solution

The fourth proportional to 31,352.40, 43,267.56 and 17,205.75 is: 23,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.40 : 43,267.56 = 17,205.75 : x
  2. Step 2: Convert to fraction form
    31,352.40/43,267.56 = 17,205.75/x
  3. Step 3: Cross multiply
    31,352.40x = 43,267.56 × 17,205.75
  4. Step 4: Simplify right side
    31,352.40x = 744,450,518.10
  5. Step 5: Solve for x
    x = 744,450,518.10/31,352.40
  6. Step 6: Final answer
    x = 23,744.61

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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.