Home / 30,240.82-45,354.30-11,522.98

Finding the Fourth Proportional to 30,240.82, 45,354.30 and 11,522.98

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Solution

The fourth proportional to 30,240.82, 45,354.30 and 11,522.98 is: 17,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.82 : 45,354.30 = 11,522.98 : x
  2. Step 2: Convert to fraction form
    30,240.82/45,354.30 = 11,522.98/x
  3. Step 3: Cross multiply
    30,240.82x = 45,354.30 × 11,522.98
  4. Step 4: Simplify right side
    30,240.82x = 522,616,691.81
  5. Step 5: Solve for x
    x = 522,616,691.81/30,240.82
  6. Step 6: Final answer
    x = 17,281.83

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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.