Home / 30,364.50-45,560.82-11,638.26

Finding the Fourth Proportional to 30,364.50, 45,560.82 and 11,638.26

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Solution

The fourth proportional to 30,364.50, 45,560.82 and 11,638.26 is: 17,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.50 : 45,560.82 = 11,638.26 : x
  2. Step 2: Convert to fraction form
    30,364.50/45,560.82 = 11,638.26/x
  3. Step 3: Cross multiply
    30,364.50x = 45,560.82 × 11,638.26
  4. Step 4: Simplify right side
    30,364.50x = 530,248,668.97
  5. Step 5: Solve for x
    x = 530,248,668.97/30,364.50
  6. Step 6: Final answer
    x = 17,462.78

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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.