Home / 30,110.10-45,166.56-14,540.82

Finding the Fourth Proportional to 30,110.10, 45,166.56 and 14,540.82

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Solution

The fourth proportional to 30,110.10, 45,166.56 and 14,540.82 is: 21,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.10 : 45,166.56 = 14,540.82 : x
  2. Step 2: Convert to fraction form
    30,110.10/45,166.56 = 14,540.82/x
  3. Step 3: Cross multiply
    30,110.10x = 45,166.56 × 14,540.82
  4. Step 4: Simplify right side
    30,110.10x = 656,758,818.98
  5. Step 5: Solve for x
    x = 656,758,818.98/30,110.10
  6. Step 6: Final answer
    x = 21,811.91

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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.