Home / 30,105.42-45,173.62-14,328.32

Finding the Fourth Proportional to 30,105.42, 45,173.62 and 14,328.32

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Solution

The fourth proportional to 30,105.42, 45,173.62 and 14,328.32 is: 21,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105.42 : 45,173.62 = 14,328.32 : x
  2. Step 2: Convert to fraction form
    30,105.42/45,173.62 = 14,328.32/x
  3. Step 3: Cross multiply
    30,105.42x = 45,173.62 × 14,328.32
  4. Step 4: Simplify right side
    30,105.42x = 647,262,082.92
  5. Step 5: Solve for x
    x = 647,262,082.92/30,105.42
  6. Step 6: Final answer
    x = 21,499.85

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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.