Home / 30,500.07-45,753.80-10,774.59

Finding the Fourth Proportional to 30,500.07, 45,753.80 and 10,774.59

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Solution

The fourth proportional to 30,500.07, 45,753.80 and 10,774.59 is: 16,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.07 : 45,753.80 = 10,774.59 : x
  2. Step 2: Convert to fraction form
    30,500.07/45,753.80 = 10,774.59/x
  3. Step 3: Cross multiply
    30,500.07x = 45,753.80 × 10,774.59
  4. Step 4: Simplify right side
    30,500.07x = 492,978,382.07
  5. Step 5: Solve for x
    x = 492,978,382.07/30,500.07
  6. Step 6: Final answer
    x = 16,163.19

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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.