Home / 30,282.82-41,754.54-20,727.31

Finding the Fourth Proportional to 30,282.82, 41,754.54 and 20,727.31

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Solution

The fourth proportional to 30,282.82, 41,754.54 and 20,727.31 is: 28,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,282.82 : 41,754.54 = 20,727.31 : x
  2. Step 2: Convert to fraction form
    30,282.82/41,754.54 = 20,727.31/x
  3. Step 3: Cross multiply
    30,282.82x = 41,754.54 × 20,727.31
  4. Step 4: Simplify right side
    30,282.82x = 865,459,294.49
  5. Step 5: Solve for x
    x = 865,459,294.49/30,282.82
  6. Step 6: Final answer
    x = 28,579.22

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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.