Home / 31,235.18-43,104.68-17,087.98

Finding the Fourth Proportional to 31,235.18, 43,104.68 and 17,087.98

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Solution

The fourth proportional to 31,235.18, 43,104.68 and 17,087.98 is: 23,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.18 : 43,104.68 = 17,087.98 : x
  2. Step 2: Convert to fraction form
    31,235.18/43,104.68 = 17,087.98/x
  3. Step 3: Cross multiply
    31,235.18x = 43,104.68 × 17,087.98
  4. Step 4: Simplify right side
    31,235.18x = 736,571,909.75
  5. Step 5: Solve for x
    x = 736,571,909.75/31,235.18
  6. Step 6: Final answer
    x = 23,581.48

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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.