Home / 30,747.82-42,424.53-17,319.07

Finding the Fourth Proportional to 30,747.82, 42,424.53 and 17,319.07

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Solution

The fourth proportional to 30,747.82, 42,424.53 and 17,319.07 is: 23,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.82 : 42,424.53 = 17,319.07 : x
  2. Step 2: Convert to fraction form
    30,747.82/42,424.53 = 17,319.07/x
  3. Step 3: Cross multiply
    30,747.82x = 42,424.53 × 17,319.07
  4. Step 4: Simplify right side
    30,747.82x = 734,753,300.36
  5. Step 5: Solve for x
    x = 734,753,300.36/30,747.82
  6. Step 6: Final answer
    x = 23,896.11

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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.