Home / 30,257.54-45,391.17-12,732.38

Finding the Fourth Proportional to 30,257.54, 45,391.17 and 12,732.38

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Solution

The fourth proportional to 30,257.54, 45,391.17 and 12,732.38 is: 19,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.54 : 45,391.17 = 12,732.38 : x
  2. Step 2: Convert to fraction form
    30,257.54/45,391.17 = 12,732.38/x
  3. Step 3: Cross multiply
    30,257.54x = 45,391.17 × 12,732.38
  4. Step 4: Simplify right side
    30,257.54x = 577,937,625.08
  5. Step 5: Solve for x
    x = 577,937,625.08/30,257.54
  6. Step 6: Final answer
    x = 19,100.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.