Home / 30,180-41,648.40-17,613.12

Finding the Fourth Proportional to 30,180, 41,648.40 and 17,613.12

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Solution

The fourth proportional to 30,180, 41,648.40 and 17,613.12 is: 24,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180 : 41,648.40 = 17,613.12 : x
  2. Step 2: Convert to fraction form
    30,180/41,648.40 = 17,613.12/x
  3. Step 3: Cross multiply
    30,180x = 41,648.40 × 17,613.12
  4. Step 4: Simplify right side
    30,180x = 733,558,267.01
  5. Step 5: Solve for x
    x = 733,558,267.01/30,180
  6. Step 6: Final answer
    x = 24,306.11

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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.