Home / 30,244.68-45,342.78-11,520.96

Finding the Fourth Proportional to 30,244.68, 45,342.78 and 11,520.96

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Solution

The fourth proportional to 30,244.68, 45,342.78 and 11,520.96 is: 17,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.68 : 45,342.78 = 11,520.96 : x
  2. Step 2: Convert to fraction form
    30,244.68/45,342.78 = 11,520.96/x
  3. Step 3: Cross multiply
    30,244.68x = 45,342.78 × 11,520.96
  4. Step 4: Simplify right side
    30,244.68x = 522,392,354.67
  5. Step 5: Solve for x
    x = 522,392,354.67/30,244.68
  6. Step 6: Final answer
    x = 17,272.21

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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.