Home / 51,825.82-71,538.09-30,605.17

Finding the Fourth Proportional to 51,825.82, 71,538.09 and 30,605.17

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Solution

The fourth proportional to 51,825.82, 71,538.09 and 30,605.17 is: 42,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,825.82 : 71,538.09 = 30,605.17 : x
  2. Step 2: Convert to fraction form
    51,825.82/71,538.09 = 30,605.17/x
  3. Step 3: Cross multiply
    51,825.82x = 71,538.09 × 30,605.17
  4. Step 4: Simplify right side
    51,825.82x = 2,189,435,048.23
  5. Step 5: Solve for x
    x = 2,189,435,048.23/51,825.82
  6. Step 6: Final answer
    x = 42,246.03

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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.