Home / 30,217.35-45,311.30-9,153.51

Finding the Fourth Proportional to 30,217.35, 45,311.30 and 9,153.51

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Solution

The fourth proportional to 30,217.35, 45,311.30 and 9,153.51 is: 13,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.35 : 45,311.30 = 9,153.51 : x
  2. Step 2: Convert to fraction form
    30,217.35/45,311.30 = 9,153.51/x
  3. Step 3: Cross multiply
    30,217.35x = 45,311.30 × 9,153.51
  4. Step 4: Simplify right side
    30,217.35x = 414,757,256.30
  5. Step 5: Solve for x
    x = 414,757,256.30/30,217.35
  6. Step 6: Final answer
    x = 13,725.80

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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.