Home / 30,500.32-45,754.18-10,774.84

Finding the Fourth Proportional to 30,500.32, 45,754.18 and 10,774.84

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Solution

The fourth proportional to 30,500.32, 45,754.18 and 10,774.84 is: 16,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.32 : 45,754.18 = 10,774.84 : x
  2. Step 2: Convert to fraction form
    30,500.32/45,754.18 = 10,774.84/x
  3. Step 3: Cross multiply
    30,500.32x = 45,754.18 × 10,774.84
  4. Step 4: Simplify right side
    30,500.32x = 492,993,968.83
  5. Step 5: Solve for x
    x = 492,993,968.83/30,500.32
  6. Step 6: Final answer
    x = 16,163.57

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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.