Home / 50,513.09-69,708.04-30,381.63

Finding the Fourth Proportional to 50,513.09, 69,708.04 and 30,381.63

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Solution

The fourth proportional to 50,513.09, 69,708.04 and 30,381.63 is: 41,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,513.09 : 69,708.04 = 30,381.63 : x
  2. Step 2: Convert to fraction form
    50,513.09/69,708.04 = 30,381.63/x
  3. Step 3: Cross multiply
    50,513.09x = 69,708.04 × 30,381.63
  4. Step 4: Simplify right side
    50,513.09x = 2,117,844,104.95
  5. Step 5: Solve for x
    x = 2,117,844,104.95/50,513.09
  6. Step 6: Final answer
    x = 41,926.64

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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.