Home / 56,160.98-84,215.16-20,613.44

Finding the Fourth Proportional to 56,160.98, 84,215.16 and 20,613.44

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Solution

The fourth proportional to 56,160.98, 84,215.16 and 20,613.44 is: 30,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.98 : 84,215.16 = 20,613.44 : x
  2. Step 2: Convert to fraction form
    56,160.98/84,215.16 = 20,613.44/x
  3. Step 3: Cross multiply
    56,160.98x = 84,215.16 × 20,613.44
  4. Step 4: Simplify right side
    56,160.98x = 1,735,964,147.75
  5. Step 5: Solve for x
    x = 1,735,964,147.75/56,160.98
  6. Step 6: Final answer
    x = 30,910.50

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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.