Home / 30,257.43-45,391.02-12,732.27

Finding the Fourth Proportional to 30,257.43, 45,391.02 and 12,732.27

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Solution

The fourth proportional to 30,257.43, 45,391.02 and 12,732.27 is: 19,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.43 : 45,391.02 = 12,732.27 : x
  2. Step 2: Convert to fraction form
    30,257.43/45,391.02 = 12,732.27/x
  3. Step 3: Cross multiply
    30,257.43x = 45,391.02 × 12,732.27
  4. Step 4: Simplify right side
    30,257.43x = 577,930,722.22
  5. Step 5: Solve for x
    x = 577,930,722.22/30,257.43
  6. Step 6: Final answer
    x = 19,100.46

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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.