Home / 30,011.41-45,021.97-9,234.91

Finding the Fourth Proportional to 30,011.41, 45,021.97 and 9,234.91

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Solution

The fourth proportional to 30,011.41, 45,021.97 and 9,234.91 is: 13,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.41 : 45,021.97 = 9,234.91 : x
  2. Step 2: Convert to fraction form
    30,011.41/45,021.97 = 9,234.91/x
  3. Step 3: Cross multiply
    30,011.41x = 45,021.97 × 9,234.91
  4. Step 4: Simplify right side
    30,011.41x = 415,773,840.97
  5. Step 5: Solve for x
    x = 415,773,840.97/30,011.41
  6. Step 6: Final answer
    x = 13,853.86

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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.