Home / 51,534.39-71,131.46-30,320.49

Finding the Fourth Proportional to 51,534.39, 71,131.46 and 30,320.49

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Solution

The fourth proportional to 51,534.39, 71,131.46 and 30,320.49 is: 41,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.39 : 71,131.46 = 30,320.49 : x
  2. Step 2: Convert to fraction form
    51,534.39/71,131.46 = 30,320.49/x
  3. Step 3: Cross multiply
    51,534.39x = 71,131.46 × 30,320.49
  4. Step 4: Simplify right side
    51,534.39x = 2,156,740,570.01
  5. Step 5: Solve for x
    x = 2,156,740,570.01/51,534.39
  6. Step 6: Final answer
    x = 41,850.51

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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.