Home / 30,520.32-45,757.44-15,709.44

Finding the Fourth Proportional to 30,520.32, 45,757.44 and 15,709.44

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Solution

The fourth proportional to 30,520.32, 45,757.44 and 15,709.44 is: 23,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,520.32 : 45,757.44 = 15,709.44 : x
  2. Step 2: Convert to fraction form
    30,520.32/45,757.44 = 15,709.44/x
  3. Step 3: Cross multiply
    30,520.32x = 45,757.44 × 15,709.44
  4. Step 4: Simplify right side
    30,520.32x = 718,823,758.23
  5. Step 5: Solve for x
    x = 718,823,758.23/30,520.32
  6. Step 6: Final answer
    x = 23,552.30

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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.