Home / 30,587.45-45,900.66-13,949.14

Finding the Fourth Proportional to 30,587.45, 45,900.66 and 13,949.14

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Solution

The fourth proportional to 30,587.45, 45,900.66 and 13,949.14 is: 20,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.45 : 45,900.66 = 13,949.14 : x
  2. Step 2: Convert to fraction form
    30,587.45/45,900.66 = 13,949.14/x
  3. Step 3: Cross multiply
    30,587.45x = 45,900.66 × 13,949.14
  4. Step 4: Simplify right side
    30,587.45x = 640,274,732.43
  5. Step 5: Solve for x
    x = 640,274,732.43/30,587.45
  6. Step 6: Final answer
    x = 20,932.60

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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.