Home / 56,217.40-84,315.30-16,775.80

Finding the Fourth Proportional to 56,217.40, 84,315.30 and 16,775.80

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Solution

The fourth proportional to 56,217.40, 84,315.30 and 16,775.80 is: 25,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,217.40 : 84,315.30 = 16,775.80 : x
  2. Step 2: Convert to fraction form
    56,217.40/84,315.30 = 16,775.80/x
  3. Step 3: Cross multiply
    56,217.40x = 84,315.30 × 16,775.80
  4. Step 4: Simplify right side
    56,217.40x = 1,414,456,609.74
  5. Step 5: Solve for x
    x = 1,414,456,609.74/56,217.40
  6. Step 6: Final answer
    x = 25,160.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.