Home / 50,486.18-69,668.22-27,820.66

Finding the Fourth Proportional to 50,486.18, 69,668.22 and 27,820.66

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Solution

The fourth proportional to 50,486.18, 69,668.22 and 27,820.66 is: 38,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.18 : 69,668.22 = 27,820.66 : x
  2. Step 2: Convert to fraction form
    50,486.18/69,668.22 = 27,820.66/x
  3. Step 3: Cross multiply
    50,486.18x = 69,668.22 × 27,820.66
  4. Step 4: Simplify right side
    50,486.18x = 1,938,215,861.43
  5. Step 5: Solve for x
    x = 1,938,215,861.43/50,486.18
  6. Step 6: Final answer
    x = 38,391.02

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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.