Home / 33,613.61-50,420.40-13,870.46

Finding the Fourth Proportional to 33,613.61, 50,420.40 and 13,870.46

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Solution

The fourth proportional to 33,613.61, 50,420.40 and 13,870.46 is: 20,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,613.61 : 50,420.40 = 13,870.46 : x
  2. Step 2: Convert to fraction form
    33,613.61/50,420.40 = 13,870.46/x
  3. Step 3: Cross multiply
    33,613.61x = 50,420.40 × 13,870.46
  4. Step 4: Simplify right side
    33,613.61x = 699,354,141.38
  5. Step 5: Solve for x
    x = 699,354,141.38/33,613.61
  6. Step 6: Final answer
    x = 20,805.68

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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.