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Finding the Fourth Proportional to 36,852.81, 50,857.04 and 20,938.13

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Solution

The fourth proportional to 36,852.81, 50,857.04 and 20,938.13 is: 28,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,852.81 : 50,857.04 = 20,938.13 : x
  2. Step 2: Convert to fraction form
    36,852.81/50,857.04 = 20,938.13/x
  3. Step 3: Cross multiply
    36,852.81x = 50,857.04 × 20,938.13
  4. Step 4: Simplify right side
    36,852.81x = 1,064,851,314.94
  5. Step 5: Solve for x
    x = 1,064,851,314.94/36,852.81
  6. Step 6: Final answer
    x = 28,894.71

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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.