Home / 30,281.82-41,789.75-16,854.45

Finding the Fourth Proportional to 30,281.82, 41,789.75 and 16,854.45

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Solution

The fourth proportional to 30,281.82, 41,789.75 and 16,854.45 is: 23,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.82 : 41,789.75 = 16,854.45 : x
  2. Step 2: Convert to fraction form
    30,281.82/41,789.75 = 16,854.45/x
  3. Step 3: Cross multiply
    30,281.82x = 41,789.75 × 16,854.45
  4. Step 4: Simplify right side
    30,281.82x = 704,343,251.89
  5. Step 5: Solve for x
    x = 704,343,251.89/30,281.82
  6. Step 6: Final answer
    x = 23,259.61

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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.